WO1994008984A1 - Nouveaux derives du taxane, leur preparation et les compositions pharmaceutiques qui les contiennent - Google Patents
Nouveaux derives du taxane, leur preparation et les compositions pharmaceutiques qui les contiennent Download PDFInfo
- Publication number
- WO1994008984A1 WO1994008984A1 PCT/FR1993/001013 FR9301013W WO9408984A1 WO 1994008984 A1 WO1994008984 A1 WO 1994008984A1 FR 9301013 W FR9301013 W FR 9301013W WO 9408984 A1 WO9408984 A1 WO 9408984A1
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- Prior art keywords
- radical
- carbon atoms
- general formula
- alkyl
- radicals
- Prior art date
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- DKPFODGZWDEEBT-QFIAKTPHSA-N taxane Chemical class C([C@]1(C)CCC[C@@H](C)[C@H]1C1)C[C@H]2[C@H](C)CC[C@@H]1C2(C)C DKPFODGZWDEEBT-QFIAKTPHSA-N 0.000 title claims abstract description 10
- 239000008194 pharmaceutical composition Substances 0.000 title claims abstract description 5
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- -1 heterocyclyl radical Chemical group 0.000 claims abstract description 80
- 150000003254 radicals Chemical group 0.000 claims abstract description 42
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 30
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 17
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 125000000392 cycloalkenyl group Chemical group 0.000 claims abstract description 15
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 13
- 150000005840 aryl radicals Chemical group 0.000 claims abstract description 12
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 11
- 150000001602 bicycloalkyls Chemical group 0.000 claims abstract description 9
- LEVJVKGPFAQPOI-UHFFFAOYSA-N phenylmethanone Chemical group O=[C]C1=CC=CC=C1 LEVJVKGPFAQPOI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 125000003107 substituted aryl group Chemical group 0.000 claims abstract 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 78
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 26
- 238000005868 electrolysis reaction Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical group [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 125000004429 atom Chemical group 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 10
- 125000005843 halogen group Chemical group 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 7
- 235000019270 ammonium chloride Nutrition 0.000 claims description 7
- 238000005341 cation exchange Methods 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052753 mercury Inorganic materials 0.000 claims description 6
- 125000001424 substituent group Chemical group 0.000 claims description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 5
- 125000004442 acylamino group Chemical group 0.000 claims description 5
- 125000004466 alkoxycarbonylamino group Chemical group 0.000 claims description 5
- 125000000304 alkynyl group Chemical group 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical group [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
- 125000002252 acyl group Chemical group 0.000 claims description 4
- 239000001110 calcium chloride Substances 0.000 claims description 4
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 150000003863 ammonium salts Chemical class 0.000 claims description 3
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 3
- 125000000623 heterocyclic group Chemical group 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- WZKSXHQDXQKIQJ-UHFFFAOYSA-N F[C](F)F Chemical compound F[C](F)F WZKSXHQDXQKIQJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 125000005115 alkyl carbamoyl group Chemical group 0.000 claims description 2
- 125000004414 alkyl thio group Chemical group 0.000 claims description 2
- 125000005239 aroylamino group Chemical group 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 125000005129 aryl carbonyl group Chemical group 0.000 claims description 2
- 125000005110 aryl thio group Chemical group 0.000 claims description 2
- 125000004104 aryloxy group Chemical group 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 125000004434 sulfur atom Chemical group 0.000 claims description 2
- 159000000007 calcium salts Chemical class 0.000 claims 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims 1
- 125000004093 cyano group Chemical group *C#N 0.000 claims 1
- 125000005842 heteroatom Chemical group 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 125000000587 piperidin-1-yl group Chemical group [H]C1([H])N(*)C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 claims 1
- 230000000719 anti-leukaemic effect Effects 0.000 abstract description 2
- 230000000259 anti-tumor effect Effects 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 55
- 239000000243 solution Substances 0.000 description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 210000004027 cell Anatomy 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 238000011282 treatment Methods 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- WSDQIHATCCOMLH-UHFFFAOYSA-N phenyl n-(3,5-dichlorophenyl)carbamate Chemical compound ClC1=CC(Cl)=CC(NC(=O)OC=2C=CC=CC=2)=C1 WSDQIHATCCOMLH-UHFFFAOYSA-N 0.000 description 9
- 125000006239 protecting group Chemical group 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 6
- ZDZOTLJHXYCWBA-VCVYQWHSSA-N N-debenzoyl-N-(tert-butoxycarbonyl)-10-deacetyltaxol Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)OC(C)(C)C)C=4C=CC=CC=4)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 ZDZOTLJHXYCWBA-VCVYQWHSSA-N 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000005587 bubbling Effects 0.000 description 5
- 230000004663 cell proliferation Effects 0.000 description 5
- 230000001575 pathological effect Effects 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 229940063683 taxotere Drugs 0.000 description 5
- YWLXLRUDGLRYDR-ZHPRIASZSA-N 5beta,20-epoxy-1,7beta,10beta,13alpha-tetrahydroxy-9-oxotax-11-ene-2alpha,4alpha-diyl 4-acetate 2-benzoate Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](O)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 YWLXLRUDGLRYDR-ZHPRIASZSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
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- 238000010908 decantation Methods 0.000 description 4
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 4
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- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 3
- 238000007911 parenteral administration Methods 0.000 description 3
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- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 2
- TYLVGQKNNUHXIP-MHHARFCSSA-N 10-deacetyltaxol Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)C=4C=CC=CC=4)C=4C=CC=CC=4)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 TYLVGQKNNUHXIP-MHHARFCSSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 0 C*C[C@]1OC[C@@]1(*)[C@](*)[C@@]([C@@](C)(C[C@](*C([C@](C)C(*)N(C)*)=O)C(C)=C(C)[C@](C(C)=O)O*)O)O Chemical compound C*C[C@]1OC[C@@]1(*)[C@](*)[C@@]([C@@](C)(C[C@](*C([C@](C)C(*)N(C)*)=O)C(C)=C(C)[C@](C(C)=O)O*)O)O 0.000 description 2
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
- C07D305/14—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms condensed with carbocyclic rings or ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/25—Reduction
Definitions
- the present invention relates to new taxane derivatives of general formula:
- one of the symbols Rj or R2 represents a hydrogen atom and the other represents a hydroxy radical
- R3 represents a hydrogen atom or a radical of general formula:
- Ar represents an aryl radical
- R4 represents a benzoyl radical or an R5-O-CO radical in which R5 represents an alkyl, alkenyl, cycloalkyl, cycloalkenyl, bicycloalkyl, phenyl or heterocyclyl radical, and
- R represents an alkyl, alkenyl, cycloalkyl, cycloalkenyl, bicycloalkyl, optionally substituted or heterocyclyl radical.
- the present invention relates to the products of general formula (I) in which R, R and R2 being defined as above, R3 represents a hydrogen atom or a radical of general formula (H) in which:
- Ar represents an aryl radical
- R4 represents a benzoyl radical or an R5-O-CO- radical in which R5 represents: - a straight or branched alkyl radical containing 1 to 8 carbon atoms, alkenyl containing 2 to 8 carbon atoms, cycloalkyl containing 3 to 6 atoms carbon, cycloalkenyl containing 4 to 6 carbon atoms or bicycloalkyl containing 7 to 10 carbon atoms, these radicals being optionally substituted by one or more substituents chosen from fluorine or chlorine atoms and hydroxy radicals, alkoxy containing 1 to 4 carbon atoms , dialkoylamino in which each alkyl part contains 1 to 4 carbon atoms, piperidino, morpholino, piperazinyl-1 (optionally substituted at -4 by an alkyl radical containing 1 to 4 carbon atoms or by a phenylalkyl radical in which the alkyl part contains 1 to 4 carbon atoms), cycloalkyl
- a phenyl radical optionally substituted by one or more radicals chosen from alkyl radicals containing 1 to 4 carbon atoms and alkoxy radicals containing 1 to 4 carbon atoms,
- cycloalkyl, cycloalkenyl or bicycloalkyl radicals may be optionally substituted by one or more alkyl radicals containing 1 with 4 carbon atoms
- R represents: - a straight or branched alkyl radical containing 1 to 8 carbon atoms, alkenyl containing 2 to 8 carbon atoms, alkynyl containing 2 to 8 carbon atoms, cycloalkyl containing 3 to 6 atoms of carbon, cycloalkenyl containing 4 to 6 carbon atoms or bicycloalkyl containing 7 to 11 carbon atoms, these radicals being optionally substituted by one or more substituents chosen from halogen atoms and hydroxy, alkoxy radicals containing 1 to 4 carbon atoms , dialkoylamino each alkyl part
- cycloalkyl, cycloalkenyl or bicycloalkyl radicals may be optionally substituted by one or more alkyl radicals containing 1 to 4 carbon atoms.
- the aryl radicals represented by Ar and R are phenyl or ⁇ - or ⁇ -naphthyl radicals optionally substituted by one or more atoms or radicals chosen from halogen atoms (fluorine, chlorine) and alkyl, alkenyl radicals, alkynyls, aryls, aralkyls, alkoxy, alkylthio, aryloxy, arylthio, hydroxy, hydroxyalkyl, mercapto, formyl, acyl, acylamino, aroylamino, alkoxycarbonylamino, amino, alkylamino, dialkoylamino, carboxy, alkoxycarbonyl, carboxycarbonyl, carboxycarbonyl, carboxyalkyl It is understood that the alkyl radicals and the alkyl portions of the other radicals contain 1 to 4 carbon atoms and that the alkenyl and alkynyl radicals contain 2 to 8 carbon atoms and
- the heterocyclic radicals represented by Ar are aromatic heterocyclic radicals having 5 members and containing 1 or more atoms, identical or different, chosen from nitrogen, oxygen or sulfur atoms, optionally substituted by one or more substituents , identical or different, chosen from halogen atoms (chlorine, fluorine) and alkyl radicals containing 1 to 4 carbon atoms, aryls containing 6 to 10 carbon atoms, amino, alkylamino containing 1 to 4 carbon atoms, dialcoylamino in which each alkyl part contains 1 to 4 carbon atoms, alkoxycarbonylamino containing 1 to 4 carbon atoms, acyl containing 1 to 4 carbon atoms, arylcarbonyl in which the aryl part contains 6 to 10 carbon atoms, cyano, carboxy, carbamoyl, alkylcarbamoyl in which the alkyl part contains 1 to 4 carbon atoms, dialkoylcarbamoyl in which
- R3 represents a radical of general formula (II) in which Ar represents a phenyl radical optionally substituted by a fluorine atom or chlorine or by an alkyl (methyl), alkoxy (methoxy), dialkoylamino (dimethylamino), acylamino (acetylamino), alkoxycarbonylamino (tert-butoxycarbonylamino) or trifluoromethyl radical.
- Ar represents a phenyl radical optionally substituted by a fluorine atom or chlorine or by an alkyl (methyl), alkoxy (methoxy), dialkoylamino (dimethylamino), acylamino (acetylamino), alkoxycarbonylamino (tert-butoxycarbonylamino) or trifluoromethyl radical.
- R4 represents a benzoyl radical or an R5-O-CO- radical for which R5 represents a tbutyl radical and R represents a phenyl radical optionally substituted by a d atom 'halogen.
- the new products of general formula (I) can be obtained by electrolytic reduction of a product of general formula:
- the reduction of the carbonyl group -CO- is carried out electrochemically according to the following reaction:
- the electrolytic reduction from a product of general formula (m) is carried out in an electrolyzer containing a catholyte consisting of a support electrolyte containing ammonium ions (NH4 + ) and of a solvent or mixture of solvents in which is dissolved the product of general formula (III) at a concentration between 0.1 g 1 and the saturation of the solution.
- a product of general formula (I) is essentially formed for which R ⁇ represents a hydrogen atom, R2 represents a radical hydroxy and the hydroxy radical at -7 is in the form la.
- the electrolytic reduction of a product of general formula (HI) essentially leads to a product of general formula (I) for which Rj represents a hydrogen atom and
- R2 represents a hydroxy radical independently of the configuration of the hydroxy function at -7.
- the quantity of theoretical electricity necessary to effect the reduction of a product of general formula (III) into product of general formula (I) is 2 Faradays (or 193,000 coulombs) per molecule.
- the reduction is carried out in a diaphragm electrolyser.
- the electrolytic reduction is carried out in an electrolyser comprising a cathode, a cathode compartment, a separating diaphragm, an anode compartment and an anode the characteristics of which are as follows: a) the cathode consists of an electrically conductive material on which the reduction takes place at a potential greater than that of the reduction of the solvent or of one of the constituents of the support electrolyte, or at a potential such as reduction of the solvent or of one of the constituents of the support electrolyte is not large enough to hinder the reduction of the product, b) the cathode compartment contains the catholyte which consists of a solution of the product of general formula (III) in an organic or hydroorganic medium and an electrolyte containing ammonium ions (NH4 " ).
- the pH can be maintained slightly alkaline, that is to say comprised of preferably between 7 and 9, by addition of ammonia.
- the catholyte can also be acidic and contain calcium ions supplied, for example, by calcium chloride, in order preferably to obtain a product of general formula (I) in which Rj represents a hydrogen atom and R2 represents a hydroxy radical.
- the separating diaphragm consists of a porous material such as a plate, a sleeve or a candle of sintered glass or porcelain or by an ion exchange membrane, preferably a cation exchange membrane
- the compartment anode contains the anolyte preferably consisting of the same solvent or mixture of solvents and the same support electrolyte as that which is used in the cathode compartment.
- the anolyte can also consist of an acid solution which, by means of a cation exchange membrane, makes it possible to maintain the pH in the catholyte during electrolysis.
- hydrochloric acid diluted in methanol is used.
- the anode consists of an electrically conductive material, the nature of which is not essential for carrying out the process.
- the anode consists of a material that conducts electricity that cannot be attacked under the conditions of electrolysis, such as, for example, polished, solid or supported platinum, graphite or vitreous carbon.
- the cathode consists of a sheet of mercury.
- the support electrolyte consists of an ammonium salt, such as ammonium chloride, soluble in the solvent or the mixture of solvents.
- an ammonium salt such as ammonium chloride
- the solvents will be chosen from aliphatic alcohols containing 1 to 4 carbon atoms such as methanol, ethanol, isopropanol or tbutanol.
- the pH must be compatible with the stability of the substrate and it can be kept slightly alkaline during the electrolysis, that is to say preferably between 7 and 9, by addition of ammonia in aqueous solution or by bubbling of ammonia gas when the electrolysis is carried out in the presence of ammonium ions or else it can be kept acid by addition of hydrochloric acid when the electrolysis is carried out in the presence of calcium ions supplied for example by calcium chloride.
- the nature of the diaphragm separating the anolyte from the catholyte is not an essential characteristic of the invention. This is how any diaphragm of known type can be used, constituted by a porous material such as sintered glass, porcelain with or without conductive gel limiting the diffusion of reagents or by ion exchange membranes, preferably cation exchange membranes. .
- the membranes can be of homogeneous or heterogeneous type and they can optionally be reinforced by a weft. Preferably used membranes which do not swell, which do not emboss and which are stable in the presence of the various constituents of the anolyte and the catholyte.
- the anode, the cathode and the separating diaphragm are arranged in parallel planes, preferably horizontal in the case of a cathode constituted by a sheet of mercury.
- the temperature of the electrolysis bath is generally between 0 and
- the electrolysis is carried out at controlled potential, this can be fixed approximately between -1.75 and -1.9 volts relative to a reference electrode to the calomel, preferably at -1.85 volts.
- the theoretical amount of electricity used is 2 Faradays (or 193,000 coulombs) per mole of a product of general formula (III). Practically the amount of electricity used can be 2 to 5 times the theoretical amount.
- the catholyte can be circulated for example under the action of a pump.
- the circuit can also include ancillary devices such as temperature exchangers or expansion vessels; such an expansion vessel makes it possible in particular to supply the catholyte with a product of general formula (III) and also makes it possible to draw up for the extraction of the products of general formula (I).
- the anolyte can also be subjected to circulation.
- the catholyte circuit is similar to that of the anolyte, which makes it possible to balance the pressures on either side of the separating diaphragm.
- spacers in the anode and cathode compartments. These spacers serve to avoid, on the one hand, the deformations of the ion exchange membrane and, on the other hand, the contacts of this membrane with the electrodes. They also serve to improve the homogeneity of concentration of the catholyte.
- the speed of circulation of the catholyte in the cathode compartment is usually greater than 10 cm / s, preferably greater than 50 cm / s.
- the apparent speed of the catholyte (speed in the cathode compartment assumed to be without interlayer) is usually greater than 1 cm / s, preferably greater than 10 cm / s.
- the cell can consist simply of a container, parallelepiped or cylindrical, made of a material inert with respect to the constituents of the electrolytes.
- This container contains the working electrode, the nature of which is the same as that defined for the first kind of cell.
- the shape of this working electrode is adapted to the shape of the container.
- any electrolytic cell comprising an anode and a cathode separated by one or more diaphragms ensuring ionic conductivity can be used, the arrangement of the elements not being essential for the implementation of the process.
- the products of general formula (I) obtained by implementing the process according to the invention are separated by application of the usual methods.
- R5-O-CO-X (IV) in which X represents a halogen atom (fluorine, chlorine) or a residue -O-R5 or -O-CO-R5 on a derivative of 10-deacetyl baccatin III of general formula:
- G represents a hydrogen atom or a protecting group for the hydroxy function such as a 2,2,2-trichloroethoxycarbonyl radical or a trialkylsilyl, dialkoylarylsilyl, alkoyldiaryl-silyl or triarylsilyl radical in which each alkyl part contains 1 to 4 carbon atoms and each aryl part preferably represents a phenyl radical and G2 represents a hydrogen atom or a protecting group for the hydroxy function which is preferably a 2,2,2-trichoroethoxycarbonyl radical to give a product of general formula:
- the action of the reagent of general formula (IV) on the derivative of baccatin III or of 10-deacetyl baccatin III of general formula (V) is carried out in an organic solvent such as an ester such as acetate d ethyl in the presence of a mineral or organic base such as sodium bicarbonate at a temperature between 0 and 50 ° C, preferably close to 20 ° C.
- an organic solvent such as an ester such as acetate d ethyl
- a mineral or organic base such as sodium bicarbonate
- the replacement of the protective groups Gj and G2 of the product of general formula (VI) by hydrogen atoms is carried out by treatment with zinc in the presence of acetic acid at a temperature between 30 and 60 ° C or by means of '' a mineral or organic acid such as acid hydrochloric acid or acetic acid in solution in an aliphatic alcohol containing 1 to 3 carbon atoms in the presence of zinc when Gj and / or G2 represent a 2,2,2,2-trichloroethoxycarbonyl radical or by treatment in an acid medium such as for example hydrochloric acid in solution in an aliphatic alcohol containing 1 to 3 carbon atoms (methanol, ethanol, isopropanol) or aqueous hydrofluoric acid at a temperature between 0 and 40 ° C when Gj and / or G2 represent a silylated radical or alkoxyacetyl.
- acetic acid at a temperature between 30 and 60 ° C or by means of '' a mineral or organic acid such
- R7 represents a hydrogen atom and Rg represents a protective group for the hydroxy function or else R7 and R8 together form a saturated heterocycle with 5 or 6 members, by means of an acid of general formula:
- the product of general formula (VU) can be obtained by electrolytic reduction of a product of general formula:
- Ar, R4, R7, Rg, G represents a hydrogen atom or a protective group for the hydroxy function which is preferably a silyl radical and G2 represents a hydrogen atom or a protective group for the hydroxy function which is preferably an alkoxyacetyl radical, optionally followed by the replacement of the protective groups R7, Rg, G and G2 with hydrogen atoms.
- the products of general formula (I) for which R3 represents a hydrogen atom are useful for preparing the products of general formula (I) for which R3 represents a radical of general formula (II) according to methods analogous to those which are described in European patents EP 0 253 738, EP 0 253 739, EP 0 336 840, EP 0 336 841, EP 0 400 971 or EP 0 428 376 or in the international PCT application WO 9209589.
- the new products of general formula (I) in which Rj and R2 being defined as above, R3 represents a radical of general formula (II) manifest a significant inhibitory activity of abnormal cell proliferation and have therapeutic properties allowing the treatment of patients having pathological conditions associated with abnormal cell proliferation.
- Pathological conditions include abnormal cell proliferation of malignant or non-malignant cells of various tissues and / or organs, including, but not limited to, muscle, bone or connective tissue, skin, brain, lungs, sexual organs, the lymphatic or renal systems, the mammary or blood cells, the liver, the digestive system, the pancreas and the thyroid or adrenal glands.
- pathological conditions may also include psoriasis, solid tumors, ovarian, breast, brain, prostate, colon, stomach, kidney or testicular cancer, Kaposi's sarcoma, cholangiocarcinoma, choriocarcinoma, neuroblastoma, Wilms tumor, Hodgkin's disease, melanomas, multiple myelomas, chronic lymphocytic leukemias, acute or chronic granulocytic lymphomas.
- the new products according to the invention are particularly useful for the treatment of ovarian cancer.
- the products according to the invention can be used to prevent or delay the onset or recurrence of pathological conditions or to treat these pathological conditions.
- the products according to the invention can be administered to a patient in different forms adapted to the chosen route of administration which, preferably, is the parenteral route.
- Parenteral administration includes intravenous, intraperitoneal, intramuscular or subcutaneous administration. More particularly preferred is intraperitoneal or intravenous administration.
- the present invention also comprises the pharmaceutical compositions which contain at least one product of general formula (I) in a sufficient amount suitable for use in human or veterinary therapy.
- the compositions can be prepared according to the usual methods using one or more adjuvants, carriers or pharmaceutically acceptable excipients. Suitable carriers include diluents, sterile aqueous media and various non-toxic solvents.
- Suitable carriers include diluents, sterile aqueous media and various non-toxic solvents.
- the compositions are in the form of aqueous solutions or suspensions, injectable solutions which may contain emulsifying agents, dyes, preservatives or stabilizers.
- the choice of adjuvants or excipients can be determined by the solubility and chemical properties of the product, the particular mode of administration and good pharmaceutical practices.
- aqueous or non-aqueous sterile solutions or suspensions are used.
- non-aqueous solutions or suspensions can be used natural vegetable oils such as olive oil, sesame oil or paraffin oil or injectable organic esters such as ethyl oleate .
- the sterile aqueous solutions can consist of a solution of a pharmaceutically acceptable salt dissolved in water.
- the aqueous solutions are suitable for intravenous administration as long as the pH is suitably adjusted and the isotonicity is achieved, for example, by a sufficient amount of sodium chloride or glucose. Sterilization can be carried out by heating or by any other means which does not alter the composition.
- compositions can contain at least 0.01% of therapeutically active product.
- the amount of active ingredient in a composition is such that a suitable dosage can be prescribed.
- the compositions are prepared in such a way that a unit dose contains from 0.01 to 1000 mg approximately of active product for parenteral administration.
- the therapeutic treatment can be carried out concurrently with other therapeutic treatments including antineoplastic drugs, monoclonal antibodies, immunological therapies or radiotherapies or modifiers of biological responses.
- Response modifiers include, but are not limited to, lymphokines and cytokines such as interleukins, interferons ( ⁇ , ⁇ or ⁇ ) and TNF.
- chemotherapeutic agents useful in the treatment of disorders due to abnormal cell proliferation include, but are not limited to, alkylating agents such as nitrogen mustards such as mechloretamine, cyclophosphamide, melphalan and chlorambucil, alkyl sulfonates such as busulfan, nitrosoureas such as carmustine, lomusine, semustin and streptozocin, triazenes such as dacarbazine, antimetabolites such as folic acid analogs such as methotrexate, pyrimidine analogs such as fluorouracil and cytarabine, purine analogs like mercaptopurine and thioguanine, natural products like vinca alkaloids like vinblastine, vincristine and vendesine, epipodophyllotoxins like etoposide and teniposide, antibiotics like dactinomycin, daunorubicin, doxorubicin, bleomycin, plic
- the doses used to implement the methods according to the invention are those which allow a prophylactic treatment or a maximum therapeutic response.
- the doses vary according to the form of administration, the particular product selected and the specific characteristics of the subject to be treated. In general, the doses are those which are therapeutically effective for the treatment of disorders due to abnormal cell proliferation.
- the products according to the invention can be administered as often as necessary to obtain the desired therapeutic effect. Some patients may respond quickly to relatively large or low doses and may require low or no maintenance doses. Generally, low doses will be used at the start of treatment and, if necessary, increasing doses will be administered until an optimum effect is obtained. For other patients it may be necessary to administer maintenance doses 1 to 8 times a day, preferably 1 to 4 times, depending on the physiological needs of the patient concerned. It is also possible that for some patients it is necessary to use only one or two daily administrations.
- the doses are generally between 0.01 and 200 mg kg. Intraperitoneally, the doses will generally be between 0.1 and 100 mg / kg and, preferably between 0.5 and 50 mg / kg and, even more specifically between 1 and 10 mg / kg. Intravenously, the doses are generally between 0.1 and 50 mg / kg and, preferably between 0.1 and 5 mg / kg and, even more specifically between 1 and 2 mg / kg. It is understood that, in order to choose the most appropriate dosage, the route of administration, the patient's weight, his general state of health, his age and all the factors which may influence the effectiveness of the treatment must be taken into account. . The following examples illustrate the present invention.
- Electrolytic reduction of t.butoxycarbonylamino-3 phenyl-3 hydroxy-2 propionate- (2R, 3S) acetoxy-4 benzoyloxy-2 ⁇ epoxy-5 ⁇ , 20 trihydroxy-l ⁇ , 7 ⁇ , 10 ⁇ oxo-9 taxene is carried out.
- 11 yle-13 (or Taxotère) in an electrolysis cell with the following characteristics:
- the cell is a 25 cm3 glass vase divided into two compartments by a cation exchange membrane
- the cathode is a sheet of mercury whose useful surface is approximately 12 cm 2
- the anode is a grid of platinum
- the reference electrode is a saturated calomel electrode.
- the potential of the cathode is fixed at -1.85 volts relative to the electrode of reference.
- Electrolytic reduction of t.butoxycarbonylamino-3 phenyl-3 hydroxy-2 propionate- (2R, 3S) acetoxy-4 benzoyloxy-2 ⁇ epoxy-5 ⁇ , 20 trihydroxy-l ⁇ , 7 ⁇ , 10 ⁇ oxo-9 taxene is carried out.
- 11 yle-13 ⁇ (or Taxotère) in an electrolysis cell with the following characteristics:
- the cell is a 25 cm3 vase divided into two compartments by a cation exchange membrane
- the cathode is a sheet of mercury whose useful surface is approximately 4 cm2.
- the anode is a platinum grid,
- the reference electrode is a saturated calomel electrode.
- the percentage of water is around 5% (by volume).
- the potential of the cathode is fixed at -1.9 volts relative to the electrode of reference.
- the solution is electrolyzed for 43 minutes, that is to say for the time necessary for the passage of 30.9 coulombs.
- 400 ⁇ litres of a 0.1M methanolic solution of sodium acetate are added.
- the solvent is removed by distillation under reduced pressure at a temperature below 35 ° C.
- the residue is taken up in 10 cm3 of ethyl acetate and in 10 cm3 of deionized water. After decantation, the aqueous phase is extracted with 3 times 5 cm3 of ethyl acetate.
- the cell is a 25 cm3 glass vase divided into two compartments by a cation exchange membrane
- the cathode is a sheet of mercury whose useful surface is approximately 4 cm2
- the anode is a platinum grid
- the reference electrode is a saturated calomel electrode.
- the percentage of water is 2% (by volume).
- the potential of the cathode is fixed at -1.8 volts relative to the electrode of reference.
- the solution is electrolyzed for 64 minutes, that is to say for the time necessary for the passage of 73 coulombs.
- the potential of the cathode is fixed at -1.8 volts relative to the electrode of reference.
- the solution is electrolyzed for 2 hours 19 minutes, that is to say for the time necessary for the passage of 255 coulombs.
- the aqueous phase is extracted with 2 times 15 cm3 of ethyl acetate.
- Epi-7 Taxotere can be obtained by the action of sodium hydride on Taxotere by operating in tetrahydrofuran under an inert atmosphere.
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Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6509706A JPH08502280A (ja) | 1992-10-15 | 1993-10-13 | 新規タキサン誘導体、それらの製造法及びそれらを含む製薬学的組成物 |
PL93308361A PL308361A1 (en) | 1992-10-15 | 1993-10-13 | Novel taxane derivatives, method of obtaining them and pharmaceutical agents containing such derivatives |
SK499-95A SK49995A3 (en) | 1992-10-15 | 1993-10-13 | Taxane derivatives, their preparation and pharmaceutical compositions containing them |
CA002146765A CA2146765A1 (fr) | 1992-10-15 | 1993-10-13 | Nouveaux derives du taxane, leur preparation et les compositions pharmaceutiques qui les contiennent |
AU53395/94A AU5339594A (en) | 1992-10-15 | 1993-10-13 | Novel taxane derivatives, their preparation and pharmaceutical compositions containing them |
KR1019950701443A KR950703551A (ko) | 1992-10-15 | 1993-10-13 | 신규한 탁산 유도체, 이의 제조 및 이를 함유하는 제약학적 조성물(novel taxane derivatives, their prepartion and pharmaceutical compositions containing them) |
EP93923578A EP0664800A1 (fr) | 1992-10-15 | 1993-10-13 | Nouveaux derives du taxane, leur preparation et les compositions pharmaceutiques qui les contiennent |
NO951283A NO951283D0 (no) | 1992-10-15 | 1995-04-03 | Nye taxanderivater, deres fremstilling samt farmasöytiske preparater inneholdende derivatene |
FI951789A FI951789A0 (fi) | 1992-10-15 | 1995-04-13 | Uusia taksaanijohdannaisia, niiden valmistus ja niitä sisältävät farmaseuttiset koostumukset |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9212331A FR2697019B1 (fr) | 1992-10-15 | 1992-10-15 | Nouveaux dérivés du taxane, leur préparation et les compositions pharmaceutiques qui les contiennent. |
FR92/12331 | 1992-10-15 |
Publications (1)
Publication Number | Publication Date |
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WO1994008984A1 true WO1994008984A1 (fr) | 1994-04-28 |
Family
ID=9434565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1993/001013 WO1994008984A1 (fr) | 1992-10-15 | 1993-10-13 | Nouveaux derives du taxane, leur preparation et les compositions pharmaceutiques qui les contiennent |
Country Status (15)
Country | Link |
---|---|
EP (1) | EP0664800A1 (fr) |
JP (1) | JPH08502280A (fr) |
KR (1) | KR950703551A (fr) |
AU (1) | AU5339594A (fr) |
CA (1) | CA2146765A1 (fr) |
CZ (1) | CZ95895A3 (fr) |
FI (1) | FI951789A0 (fr) |
FR (1) | FR2697019B1 (fr) |
MX (1) | MX9306227A (fr) |
NO (1) | NO951283D0 (fr) |
PL (1) | PL308361A1 (fr) |
SK (1) | SK49995A3 (fr) |
TW (1) | TW250480B (fr) |
WO (1) | WO1994008984A1 (fr) |
ZA (1) | ZA937558B (fr) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5614645A (en) * | 1993-03-11 | 1997-03-25 | Virginia Tech Intellectual Properties, Inc. | Methods for making 2-debenzoyl and -2-acyl taxol derivatives |
US5635531A (en) * | 1996-07-08 | 1997-06-03 | Bristol-Myers Squibb Company | 3'-aminocarbonyloxy paclitaxels |
US5773464A (en) * | 1996-09-30 | 1998-06-30 | Bristol-Myers Squibb Company | C-10 epoxy taxanes |
US5902822A (en) * | 1997-02-28 | 1999-05-11 | Bristol-Myers Squibb Company | 7-methylthiooxomethyl and 7-methylthiodioxomethyl paclitaxels |
US5912264A (en) * | 1997-03-03 | 1999-06-15 | Bristol-Myers Squibb Company | 6-halo-or nitrate-substituted paclitaxels |
US5977386A (en) * | 1996-12-24 | 1999-11-02 | Bristol-Myers Squibb Company | 6-thio-substituted paclitaxels |
US6011056A (en) * | 1991-09-23 | 2000-01-04 | Florida State University | C9 taxane derivatives and pharmaceutical compositions containing them |
US6017935A (en) * | 1997-04-24 | 2000-01-25 | Bristol-Myers Squibb Company | 7-sulfur substituted paclitaxels |
US6066747A (en) * | 1993-03-05 | 2000-05-23 | Florida State University | Process for the preparation of 9-desoxotaxanes |
US6495704B1 (en) | 1991-09-23 | 2002-12-17 | Florida State University | 9-desoxotaxanes and process for the preparation of 9-desoxotaxanes |
US6710191B2 (en) | 1993-03-05 | 2004-03-23 | Florida State University | 9β-hydroxytetracyclic taxanes |
EP1664033A2 (fr) * | 2003-09-25 | 2006-06-07 | Tapestry Pharmaceuticals, Inc. | Analogues de 9,10-alpha,alpha-oh-taxane et procedes de fabrication correspondants |
EP1810968A2 (fr) * | 2003-09-25 | 2007-07-25 | Tapestry Pharmaceuticals, Inc. | Analogues de taxane 9, 10-a, a-OH et leur procédé de production |
US8273789B2 (en) | 2007-03-28 | 2012-09-25 | Tapestry Pharmaceuticals, Inc. | Biologically active taxane analogs and methods of treatment by oral administration |
US8409574B2 (en) | 2007-02-28 | 2013-04-02 | James D. McChesney | Taxane analogs for the treatment of brain cancer |
US11786504B2 (en) | 2006-09-28 | 2023-10-17 | Tapestry Pharmaceuticals, Inc. | Taxane analogs for the treatment of brain cancer |
US11873308B2 (en) | 2006-11-06 | 2024-01-16 | Tapestry Pharmaceuticals, Inc. | Biologically active taxane analogs and methods of treatment by oral administration |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6794523B2 (en) | 1991-09-23 | 2004-09-21 | Florida State University | Taxanes having t-butoxycarbonyl substituted side-chains and pharmaceutical compositions containing them |
EP2875814B1 (fr) | 2012-07-19 | 2018-08-22 | FUJIFILM Corporation | Composition liquide contenant un principe actif à base de taxane, son procédé de fabrication et préparation médicinale liquide |
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EP0336840A1 (fr) * | 1988-04-06 | 1989-10-11 | Centre National De La Recherche Scientifique (Cnrs) | Procédé de préparation du taxol |
EP0473326A1 (fr) * | 1990-08-28 | 1992-03-04 | Virginia Tech Intellectual Properties, Inc. | Dérivés solubles dans l'eau de taxol |
WO1992009589A1 (fr) * | 1990-11-23 | 1992-06-11 | Rhone-Poulenc Rorer S.A. | Procede de preparation de derives du taxane, nouveaux derives obtenus et compositions pharmaceutiques qui les contiennent |
-
1992
- 1992-10-15 FR FR9212331A patent/FR2697019B1/fr not_active Expired - Fee Related
-
1993
- 1993-10-06 MX MX9306227A patent/MX9306227A/es unknown
- 1993-10-12 ZA ZA937558A patent/ZA937558B/xx unknown
- 1993-10-13 JP JP6509706A patent/JPH08502280A/ja active Pending
- 1993-10-13 CZ CZ95958A patent/CZ95895A3/cs unknown
- 1993-10-13 PL PL93308361A patent/PL308361A1/xx unknown
- 1993-10-13 WO PCT/FR1993/001013 patent/WO1994008984A1/fr not_active Application Discontinuation
- 1993-10-13 TW TW082108451A patent/TW250480B/zh active
- 1993-10-13 KR KR1019950701443A patent/KR950703551A/ko not_active Withdrawn
- 1993-10-13 EP EP93923578A patent/EP0664800A1/fr not_active Withdrawn
- 1993-10-13 AU AU53395/94A patent/AU5339594A/en not_active Abandoned
- 1993-10-13 CA CA002146765A patent/CA2146765A1/fr not_active Abandoned
- 1993-10-13 SK SK499-95A patent/SK49995A3/sk unknown
-
1995
- 1995-04-03 NO NO951283A patent/NO951283D0/no unknown
- 1995-04-13 FI FI951789A patent/FI951789A0/fi not_active Application Discontinuation
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EP0473326A1 (fr) * | 1990-08-28 | 1992-03-04 | Virginia Tech Intellectual Properties, Inc. | Dérivés solubles dans l'eau de taxol |
WO1992009589A1 (fr) * | 1990-11-23 | 1992-06-11 | Rhone-Poulenc Rorer S.A. | Procede de preparation de derives du taxane, nouveaux derives obtenus et compositions pharmaceutiques qui les contiennent |
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Title |
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JOURNAL OF MEDICINAL CHEMISTRY vol. 34, no. 3, Mars 1991, COLUMBUS OHIO pages 992 - 998 FRANÇOISE GUERITTE-VOEGELEIN ET AL. 'Relationships between the Structure of Taxol Analogues and their Antimitotic Activity' * |
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US6495704B1 (en) | 1991-09-23 | 2002-12-17 | Florida State University | 9-desoxotaxanes and process for the preparation of 9-desoxotaxanes |
US6797833B2 (en) | 1991-09-23 | 2004-09-28 | Florida State University | C9 hydrido and acyloxy metal alkoxides |
US6011056A (en) * | 1991-09-23 | 2000-01-04 | Florida State University | C9 taxane derivatives and pharmaceutical compositions containing them |
US6482963B1 (en) | 1991-09-23 | 2002-11-19 | Florida State University | C9 hydrido, hydroxy and acyloxy taxane derivatives and pharmaceutical compositions containing them |
US6710191B2 (en) | 1993-03-05 | 2004-03-23 | Florida State University | 9β-hydroxytetracyclic taxanes |
US6878834B2 (en) | 1993-03-05 | 2005-04-12 | Florida State University | 14-hydrido-9β-hydroxytetracyclic taxanes |
US6066747A (en) * | 1993-03-05 | 2000-05-23 | Florida State University | Process for the preparation of 9-desoxotaxanes |
US5703247A (en) * | 1993-03-11 | 1997-12-30 | Virginia Tech Intellectual Properties, Inc. | 2-Debenzoyl-2-acyl taxol derivatives and methods for making same |
US6002023A (en) * | 1993-03-11 | 1999-12-14 | Virginia Tech Intellectural Properties, Inc. | 2-debenzoyl-2-acyl taxol derivatives and method for making same |
US5614645A (en) * | 1993-03-11 | 1997-03-25 | Virginia Tech Intellectual Properties, Inc. | Methods for making 2-debenzoyl and -2-acyl taxol derivatives |
US5635531A (en) * | 1996-07-08 | 1997-06-03 | Bristol-Myers Squibb Company | 3'-aminocarbonyloxy paclitaxels |
US5773464A (en) * | 1996-09-30 | 1998-06-30 | Bristol-Myers Squibb Company | C-10 epoxy taxanes |
US5977386A (en) * | 1996-12-24 | 1999-11-02 | Bristol-Myers Squibb Company | 6-thio-substituted paclitaxels |
US5902822A (en) * | 1997-02-28 | 1999-05-11 | Bristol-Myers Squibb Company | 7-methylthiooxomethyl and 7-methylthiodioxomethyl paclitaxels |
US5912264A (en) * | 1997-03-03 | 1999-06-15 | Bristol-Myers Squibb Company | 6-halo-or nitrate-substituted paclitaxels |
US6017935A (en) * | 1997-04-24 | 2000-01-25 | Bristol-Myers Squibb Company | 7-sulfur substituted paclitaxels |
EP1810968A2 (fr) * | 2003-09-25 | 2007-07-25 | Tapestry Pharmaceuticals, Inc. | Analogues de taxane 9, 10-a, a-OH et leur procédé de production |
US9402824B2 (en) | 2003-09-25 | 2016-08-02 | Tapestry Pharmaceuticals, Inc. | 9,10-α, α-OH-taxane analogs and methods for production thereof |
EP1785416A2 (fr) * | 2003-09-25 | 2007-05-16 | Tapestry Pharmaceuticals, Inc. | Analogues de 9, 10-alpha, alpha-OH-Taxane et méthodes pour leur production |
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EP1664033A2 (fr) * | 2003-09-25 | 2006-06-07 | Tapestry Pharmaceuticals, Inc. | Analogues de 9,10-alpha,alpha-oh-taxane et procedes de fabrication correspondants |
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US8962870B2 (en) | 2003-09-25 | 2015-02-24 | Tapestry Pharmaceuticals, Inc. | 9, 10-α, α-OH-taxane analogs and methods for production thereof |
US9820962B2 (en) | 2003-09-25 | 2017-11-21 | Tapestry Pharmaceuticals, Inc. | 9, 10-α, α-oh-taxane analogs and methods for production thereof |
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US11147793B2 (en) | 2006-09-28 | 2021-10-19 | Tapestry Pharmaceuticals, Inc. | Taxane analogs for the treatment of brain cancer |
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Also Published As
Publication number | Publication date |
---|---|
FR2697019A1 (fr) | 1994-04-22 |
JPH08502280A (ja) | 1996-03-12 |
ZA937558B (en) | 1994-05-04 |
AU5339594A (en) | 1994-05-09 |
MX9306227A (es) | 1994-05-31 |
FR2697019B1 (fr) | 1994-11-25 |
EP0664800A1 (fr) | 1995-08-02 |
FI951789L (fi) | 1995-04-13 |
TW250480B (fr) | 1995-07-01 |
CA2146765A1 (fr) | 1994-04-28 |
KR950703551A (ko) | 1995-09-20 |
CZ95895A3 (en) | 1995-09-13 |
PL308361A1 (en) | 1995-07-24 |
NO951283L (no) | 1995-04-03 |
NO951283D0 (no) | 1995-04-03 |
FI951789A0 (fi) | 1995-04-13 |
SK49995A3 (en) | 1995-09-13 |
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