WO1998011083A1 - Acides sialiques 2,7-dideoxy-7-fluoro- 2, 3-didehydro a quadruple substitution - Google Patents
Acides sialiques 2,7-dideoxy-7-fluoro- 2, 3-didehydro a quadruple substitution Download PDFInfo
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- WO1998011083A1 WO1998011083A1 PCT/JP1997/003184 JP9703184W WO9811083A1 WO 1998011083 A1 WO1998011083 A1 WO 1998011083A1 JP 9703184 W JP9703184 W JP 9703184W WO 9811083 A1 WO9811083 A1 WO 9811083A1
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- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 238000000338 in vitro Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000010255 intramuscular injection Methods 0.000 description 1
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- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 description 1
- 239000007951 isotonicity adjuster Substances 0.000 description 1
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- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
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- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
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- 239000001632 sodium acetate Substances 0.000 description 1
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- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
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- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical class [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
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- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- ZVQXQPNJHRNGID-UHFFFAOYSA-N tetramethylsuccinonitrile Chemical compound N#CC(C)(C)C(C)(C)C#N ZVQXQPNJHRNGID-UHFFFAOYSA-N 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D209/26—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with an acyl radical attached to the ring nitrogen atom
- C07D209/28—1-(4-Chlorobenzoyl)-2-methyl-indolyl-3-acetic acid, substituted in position 5 by an oxygen or nitrogen atom; Esters thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
Definitions
- the present invention relates to a derivative in which the hydroxyl group at the 7-position of N-acetyl neuraminic acid has been substituted with fluorine, a synthetic intermediate thereof and its use.
- This derivative is useful as a medicament such as a sialidase inhibitor, an antiviral agent, an immunomodulator, and an agent.
- sialic acid Is located at the end of glycoproteins and glycolipids in vivo and is involved in the physiological activities of glycoproteins and glycolipids.
- sialic acid derivatives In order to elucidate the functions of sialic acid at the molecular level, sialic acid derivatives have been actively synthesized.
- sialic acid hydrolase sialic acid hydrolase
- sialic acid hydrolase sialidase
- 4-amino- and 4-guanidino-2-dexoxy-2,3-didehydrocyanoleic acids (2 and 3) are effective sialidase inhibitors both in vitro and in vivo.
- the 7-fluorocyanic acid derivative obtained by substituting the 4-hydroxy group of the above compound is a compound that has not been synthesized yet, and is considered to affect the physiological activity and is useful as a drug.
- An object of the present invention is to provide 4-substituted-2,7-dideoxy-7-funoleo-2,3-didehydrocyanoleic acid and synthetic intermediates thereof, which are expected as drugs such as antiviral agents, immunomodulators and anticancer agents.
- the present invention relates to a method for producing them.
- the present invention provides a compound represented by the general formula (I):
- A is 0, CH 2 or S.
- R 1 represents a lower alkoxycarbonyl group, CO ⁇ H, P ⁇ (OH) 2 , S ⁇ 3 H or a tetrazole group.
- R 2 represents a hydrogen atom, OR e , F, Cl, Br, CN, NHR e or SR e (R e is a hydrogen atom, a lower alkyl group of C i Ca which may have a substituent,
- C 4 represents a lower acyl group or an aryl group which may have a substituent).
- R 6 represents CH 2 CH 2 XR e or CH (XR e ) CH 2 XR e , wherein X represents an oxygen atom, a sulfur atom, or an NH group, and R 6 is as defined above. And a salt thereof.
- the present invention preferably comprises a compound of the general formula (II)
- R 3 and R 3 ′ are the same as above.
- It relates to compounds and their salts represented by (the present invention, more preferably the general formula (III)
- R 3 ′ represents a hydrogen atom, a nitrile group, an amino group which may have a substituent, an azide group, a lower alkylthio group or a guanidino group.
- the present invention further preferably provides the following chemical structural formulas (IV) and (V)
- R 8 represents a lower alkyl group or a benzyl group.
- R 9 represents a hydroxyl-protecting group.
- Compound (VI) corresponds to a synthetic intermediate of compounds (I) to (V), and this compound is a compound not described in the literature.
- A is 0, CH 2 or S, preferably O.
- R 1 represents a lower alkoxycarbonyl group, CO ⁇ H, P ⁇ (OH) SO 3 H or a tetrazole group.
- Lower alkoxycarbonyl groups include straight-chain alkoxy groups such as methoxycarbonyl, ethoxycarbonyl, n -propoxycarbonyl, isopropoxycarbonyl, n-butoxycarbonyl, sec-butoxycarbonyl, isobutoxycarbonyl, tert-butoxycarbonyl and the like. Chains or branches Alkoxycarbonyl group.
- R 2 represents a hydrogen atom, ⁇ _R e, F, C and B r, CN, an NH R e or SR e.
- R e is a hydrogen atom, a lower alkyl group of Ci Ce which may have a substituent, a lower acyl group of C! To C 4 , an aryl group which may have a substituent, Show.
- Substituents of the lower alkyl group of Ci Ce having a substituent include a hydroxyl group, a halogen atom (F, Cl, Br, I), a lower alkoxy group (methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, sec-butoxy, isobutoxy, tert-butoxy).
- Lower acetyl groups of CC include honoleminole (HCO), acetinole, propionyl, butyryl, and isobutylyl.
- Examples of the aryl group include a phenyl group, a naphthyl group, and a pyridyl group.
- substituent of the aryl group having a substituent examples include a hydroxyl group, a lower alkyl group (methyl, ethynole, n-propyl, isopropyline, n-butyl, Isobutynole, sec-butyl, tert-butyl), lower alkoxy group (methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec-butoxy, tert-butoxy), nitro, amino, mono-lower Alkyl (methyl, ethyl, n-propyl, isopropyl, n-butynole, isobutyl, sec-butyl / tert-butyl) substituted amino, di-lower alkyl (methyl, ethyl, n-propyl, isopropyl, n-butylinole) , Isobutynole, sec-but
- the amino group which may have a substituent includes amino (NH 2 ), mono-lower alkyl (methyl, ethyl, n-propynole, isopropynole, n-butynole, isobutynole, sec-butynole, tert-butyl) Amino, di-lower alkyl (methyl, ethyl, n-propyl, isopropyl, n-butyl, isoptyl, sec-butynole) Substituted amino, piperidino, pyrrolidinyl, morpholino, piperazinyl, N-methylpiperazinyl, etc.
- Cyclic amino group anilino, cyclohexylamino, hydroxyylamino, lower alkoxyamino (methoxyamino, ethoxyamino, n-propoxyamino, isopropoxyamino, n-butoxyamino, isobutoxyamino, sec-butoxyamino, tert -Butoxyamino), hydrazino, 1-mono-lower alkyl (methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butynole, tert-butyl) hydrazino, 2-mono-lower alkyl (methylol, Ethynole, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl) hydrazino, 2-di-lower alkyl (methyl,
- lower alkylthio groups include methylthio, Echiruchio, n- Puropinorechio, isopropylidene Honoré Chio, n- Buchinorechio, sec- Buchinorechio, isobutylthio, and a lower alkylthio group C t -C 4, such as tert- butylthio.
- R 5 represents CH 2 CH 2 XR e or CH (XR e) CH 2 XR 6 (X is an oxygen atom, a sulfur atom or an NH group, R e is as defined above.).
- R 3 ′ represents a hydrogen atom, a nitrile group, an amino group which may have a substituent, an azide group, a lower alkylthio group or a guanidino group.
- R 4 ′ is NHCOR 7 (provided that R 7 is a hydrogen atom and may have a substituent ( ⁇ represents an alkyl group of ⁇ to (or an aryl group optionally having a substituent).) Specific examples of the alkyl group which may have a substituent represented by R 7 and the aryl group which may have a substituent are the same as the specific examples of R ⁇ described above.
- R 8 is a lower alkyl group of C such as methyl, ethyl, ⁇ -propyl, isopropyl, ⁇ -butyl, sec-butyl, isobutyl, tert-butyl, pentyl, hexyl, or a benzyl group.
- R a As the hydroxyl-protecting group represented by R a, Asechiru, propionyl, Puchiriru, I Sobuchiriru, valeryl, isovaleryl, lower Ashiru group of C 2 ⁇ C 5 such as pivaloyl, benzyl, Benzoiru, main butoxy carbonitrile Nino les, ethoxycarbonyl two Nore, n-propoxycarbonyl, isopropoxycarbonyl, ⁇ -butoxycarbonyl, s
- Examples include lower alkoxycarbonyl groups such as ec-butoxycarbonyl, isobutoxycarbonyl, tert-butoxycanolevonyl, benzyl and benzoyl.
- Preferred R 1 is a lower alkoxycarbonyl group or COOH, more preferably COOH.
- Desirable R 2 is a hydrogen atom.
- Preferred Re is a hydrogen atom and a C, to C 6 lower alkyl group, more preferably a hydrogen atom.
- R 3 and R 3 ', R 3' is a hydrogen atom, R 3 which may have a substituent Amino, amidino, formamidino, Shianoamijino or Guanijino, yo Ri is preferably R 3 'hydrogen R 3 is amino or guanidino which may have a substituent, most preferably, R 3 ′ is a hydrogen atom, and R 3 is amino or guanidino.
- Preferred R 4 is one NHR e , more preferably an acetylamino group.
- R s is CH (OH) CH 2 OH.
- Desirable R 3 ′ is an amino group or a guanidino group.
- Preferred R 8 are Mechinore, Echiru, n- propyl, Isopuropiru, n- Buchinore, sec- Buchinore, Isobuchinore, tert Buchinore, lower alkyl group of C 1 -C e, such as Penchinore to, Kishinore, more preferably methyl or Echiru It is.
- Preferred R 3 is acetyl, propionyl, benzyl and benzoyl, more preferably acetyl.
- 4-Substituted-2,3-didehydrocyanic acid derivatives are important compounds that exhibit sialidase inhibitory activity, and fluorine-substituted 4-substituted-2,3-didehydrocyanic acid is useful for the development of practical pharmaceuticals and the like. Useful for clinical applications.
- the oxazoline derivative of a fluorine-containing 2,3_didehydrocyanic acid derivative (2) represented by the general formula (I) can be prepared by converting the compound (1) into boron trifluoride according to the steps shown in Reaction Scheme 1. It can be synthesized by treating with an ether complex. The starting material in this reaction scheme 1 can be easily synthesized according to the method described in International Publication WO 95/32955.
- a fluorine-substituted 2,3-didehydrocyanic acid derivative (5)) represented by the chemical structural formula (IV) can be obtained.
- the deprotection is performed, for example, by reacting in NaOH / MeOH at room temperature for 1 to 24 hours.
- the amino group of compound (5) obtained as described above is converted to a guanidino group with aminoiminosulfonic acid, and the fluorinated 2,3-didehydine is obtained.
- the dorsolic acid derivative (6) is obtained.
- Aminoiminosulfonic acid used here is Tetrahedron Letters, 29,
- the compounds of the present invention having various R 3 and R 3 ′ can be produced by using the azide compound (3) as a raw material and converting it.
- the compound of the general formula (I) of the present invention can be synthesized according to the following reaction scheme (A) under the same conditions as in the above reaction schemes 1 to 5.
- the starting compound (1A) is obtained from M. V on Itzstein et al .: Nature, 363, 418-423 (1993); M. von Itzstein et al .: Carboh ydrate Research, 259, 301-305 (1994); Published Patent Publication No. 5-507068; can be easily produced according to the description of documents such as International Publication W095 / 32955.
- the starting compounds of the general formula (1A) are reacted under the same conditions as in Reaction Schemes 1 and 2 to obtain the compounds of the general formulas (2A) and (3A).
- the azide group of the compound of the general formula (3A) can be converted to CN by reacting with KCN; by reacting with NaSR ′ (R ′ represents a lower alkyl group), it can be converted to a lower alkylthio group; It can be reduced and converted to an amino group as in Reaction Scheme 3.
- the amino group After converting the azide group of the compound of the general formula (3A) to an amino group, the amino group can be converted into an amidino group, a formamidino group, a cyanoamidino group, a guanidino group or the like according to a conventional method.
- Salts of the compounds of the present invention include alkali metal salts such as sodium and potassium; or inorganic acid salts such as hydrochloric acid, sulfuric acid, phosphoric acid, and nitric acid; sulfonic acid salts such as methanesulfonic acid and p-toluenesulfonic acid; Organic acid salts such as acid, fumaric acid, and malic acid can be mentioned, and these salts can be produced according to a conventional method.
- the compound of the present invention may be used as a prophylactic or therapeutic agent for influenza infection together with a suitable carrier, diluent or excipient, as a sialidase inhibitor, orally, injection, suppository, ointment, cream, inhalant, intranasal
- a suitable carrier diluent or excipient
- a sialidase inhibitor as a sialidase inhibitor
- Various administration forms such as a nasal spray and a lotion can be employed. Each of these administration forms can be produced by a conventional method known to those skilled in the art.
- the compound of the present invention may optionally contain an excipient, a binder, a disintegrant, a lubricant, a coloring agent, a flavoring agent, and the like, and then may be converted to tablets or granules by a conventional method. Preparations, powders, capsules and the like.
- Such additives may be those commonly used in the art, for example, excipients such as lactose, sucrose, sodium chloride, dextrose, starch, calcium carbonate, kaolin, microcrystalline cellulose, silicic acid Water, ethanol, propanol, simple syrup, glucose solution, starch solution, gelatin solution, carboxymethylcellulose, carboxypropinoresenorelose, hydroxypropi / restarch, methyl / reserose, ethi Norecellulose, shellac, calcium phosphate, polyvinylinolepyrrolidone, etc .; disintegrants include dried starch, sodium alginate, agar powder, sodium bicarbonate, calcium carbonate, sodium lauryl sulfate, monoglyceride stearate, lactose, etc.
- Lubricants include refined talc, stearates, borax, polyethylene glycol and the like, and flavoring agents include sucrose, orange peel, citric acid, tartaric acid and the like.
- a flavoring agent e.g., sodium taenate
- a stabilizer e.g, tragacanth, gum arabic, gelatin, etc.
- an oral liquid preparation or syrup is prepared by a conventional method.
- Agent, elixir agent and the like are added to the compound of the present invention, and an oral liquid preparation or syrup.
- a pH adjusting agent, a buffer, a stabilizing agent, an isotonic agent, a local anesthetic, etc. are added to the compound of the present invention, and subcutaneous, intramuscular, or intravenous injection is performed by a conventional method.
- Agent can be manufactured.
- pH regulators and buffering agents include sodium citrate, sodium acetate, sodium phosphate and the like.
- stabilizer include sodium pyrosulfite, EDTA, thioglycolic acid, and thiolactic acid.
- Local anesthetics include proforce in hydrochloride and lidocaine hydrochloride.
- the compound of the present invention may contain a pharmaceutical carrier known in the art, such as polyethylene glycol, lanolin, cocoa butter, a fatty acid triglyceride, and, if necessary, Tween® After adding a surfactant such as described above, it can be produced by an ordinary method.
- a pharmaceutical carrier known in the art, such as polyethylene glycol, lanolin, cocoa butter, a fatty acid triglyceride, and, if necessary, Tween® After adding a surfactant such as described above, it can be produced by an ordinary method.
- each of the above-mentioned dosage unit forms is not fixed depending on the condition of the patient to whom it is to be administered or on its dosage form. It is preferable to use about 0.1 to 1 mg for an agent and about 0.1 to 1 mg for an injection.
- the daily dose of the drug having the above-mentioned dosage form varies depending on the patient's symptoms, weight, age, sex, etc. and cannot be determined unconditionally, but is generally about 0.2 to 15 mg per day for an adult. It is preferable to administer it once or in 2 to 4 divided doses.
- the compound of the present invention has a strong physiological activity as an antiviral agent, it is useful as a therapeutic agent for viral infection, a prophylactic or therapeutic agent for viral diseases. It is also useful as a prophylactic or therapeutic agent against viral infection in mammals other than human. is there.
- Example 1 2-Methinole- (Methinole 8, 9-di-0-acetinole—2,6-anhydro—7-fluoro mouth-3,5,7-trideoxy-D-glyce mouth-D-taro- Synthesis of [non-2-enonate)-[4,5-d] -2-oxazoline (hereinafter abbreviated as compound (2a))
- reaction mixture was poured into a mixture of ice-cold water-ethyl acetate-sodium carbonate (15 ml: 5 Oml: 3 g).
- the aqueous layer was extracted with ethyl acetate, and the organic layers were combined, washed with a saturated diet: ⁇ , and dried over magnesium sulfate.
- H-4, H-5 2.05, 2.07, 2.08 (3s, 9H, 20Ac, NAc).
- Example 5 5-acetamide-2,6-anhydro-7-funoleo mouth-4-guanidino 3,4,5,7-tetradoxy-D-glyceze mouth-D-galatato-non-2-enonic acid (whereinafter, the compound (6a) is abbreviated).
- Inhibitor aqueous solution 2,3-didehydrocyanic acid and 4-amino-1,2,3-didehydrocyanoleic acid were used as standard compounds in the literature (Carbohydrate Research, 186, 326 (19).
- 7-Fluoro-2,3-didehydrocyanic acid (7F-NeuAc-2-en) was synthesized according to the description of WO 95/32955. Also, 4-amino-7-fluoro-2,3-didehydrocyanoleic acid (4A-7F-NeuAc-2-en) obtained in Example 5 was used as an inhibitor.
- the 4-amino-7-fluorinated acid of the present invention is -Fluoro-2,3-didehydrocyanic acid has a very potent sialidase inhibitory effect and has been shown to be useful as a therapeutic or prophylactic agent for influenza virus infection.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
- Hydrogenated Pyridines (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/068,646 US5948816A (en) | 1996-09-10 | 1997-09-10 | 4-substituted-2,7-dideoxy-7-fluoro-2,3-didehydro-sialic acid compounds |
AU42189/97A AU711845B2 (en) | 1996-09-10 | 1997-09-10 | 4-substituted-2,7-dideoxy-7-fluoro-2,3-didehydro-sialic acid compounds |
EP97940327A EP0882721A4 (en) | 1996-09-10 | 1997-09-10 | SIALIC ACIDS 2,7-DIDEOXY-7-FLUORO- 2, 3-DIDEHYDRO A QUADRUPLE SUBSTITUTION |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/238776 | 1996-09-10 | ||
JP23877696 | 1996-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998011083A1 true WO1998011083A1 (fr) | 1998-03-19 |
Family
ID=17035115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/003184 WO1998011083A1 (fr) | 1996-09-10 | 1997-09-10 | Acides sialiques 2,7-dideoxy-7-fluoro- 2, 3-didehydro a quadruple substitution |
Country Status (4)
Country | Link |
---|---|
US (1) | US5948816A (ja) |
EP (1) | EP0882721A4 (ja) |
AU (1) | AU711845B2 (ja) |
WO (1) | WO1998011083A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3233392B2 (ja) | 1998-01-22 | 2001-11-26 | 三共株式会社 | ノイラミン酸誘導体を含有する抗インフルエンザ薬 |
US6455571B1 (en) | 1998-04-23 | 2002-09-24 | Abbott Laboratories | Inhibitors of neuraminidases |
US6518305B1 (en) | 1998-04-23 | 2003-02-11 | Abbott Laboratories | Five-membered carbocyclic and heterocyclic inhibitors of neuraminidases |
US6593314B1 (en) | 1999-10-19 | 2003-07-15 | Abbott Laboratories | Neuraminidase inhibitors |
JP2012532894A (ja) * | 2009-07-16 | 2012-12-20 | グリフィス ユニバーシティ | 抗インフルエンザ薬 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100409844C (zh) * | 1995-02-27 | 2008-08-13 | 吉里德科学公司 | 神经氨酸苷酶抑制剂 |
US5859284A (en) | 1996-08-23 | 1999-01-12 | Gilead Sciences, Inc. | Preparation of carbocyclic compounds |
US6518438B2 (en) | 1996-08-23 | 2003-02-11 | Gilead Sciences, Inc. | Preparation of cyclohexene carboxylate derivatives |
US5994377A (en) | 1996-10-21 | 1999-11-30 | Gilead Sciences, Inc. | Piperidine compounds |
US20040053999A1 (en) * | 1997-09-17 | 2004-03-18 | Bischofberger Norbert W. | Novel compounds and methods for synthesis and therapy |
WO2007036041A1 (en) * | 2005-09-28 | 2007-04-05 | Suleiman Igdoura | Sialidase inhibitors for the treatment of cardiovascular disease |
TWI546306B (zh) | 2007-04-11 | 2016-08-21 | 第一三共股份有限公司 | 神經胺酸衍生物之製造方法 |
US10350188B2 (en) | 2011-11-04 | 2019-07-16 | Myron R. Szewczuk | Use of Neu1 sialidase inhibitors in the treatment of cancer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995032955A1 (fr) * | 1994-05-27 | 1995-12-07 | Daikin Industries, Ltd. | Acide 7-fluoro-2, 3-didehydrosialique et intermediaire pour la synthese de cet acide |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2573594B2 (ja) * | 1987-03-06 | 1997-01-22 | メクト株式会社 | Nーアセチルー3ーフルオローノイラミン酸誘導体およびその製造方法 |
CZ288492B6 (en) * | 1990-04-24 | 2001-06-13 | Biota Scient Management | Derivatives of alpha-D-neuraminic acid, process of their preparation, their use and pharmaceutical preparations based thereon |
AU659501B2 (en) * | 1991-10-23 | 1995-05-18 | Biota Scientific Management Pty Ltd | Antiviral 4-substituted-2-deoxy-2,3-didehydro-derivatives of alpha-D-neuraminic acid |
AUPM354694A0 (en) * | 1994-01-27 | 1994-02-17 | Biota Scientific Management Pty Ltd | Chemical compounds |
JP3141693B2 (ja) * | 1994-08-16 | 2001-03-05 | ダイキン工業株式会社 | シアル酸の9位をフッ素で置換したガングリオシドgm3類縁体及びその中間体 |
-
1997
- 1997-09-10 WO PCT/JP1997/003184 patent/WO1998011083A1/ja not_active Application Discontinuation
- 1997-09-10 AU AU42189/97A patent/AU711845B2/en not_active Ceased
- 1997-09-10 US US09/068,646 patent/US5948816A/en not_active Expired - Lifetime
- 1997-09-10 EP EP97940327A patent/EP0882721A4/en not_active Ceased
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995032955A1 (fr) * | 1994-05-27 | 1995-12-07 | Daikin Industries, Ltd. | Acide 7-fluoro-2, 3-didehydrosialique et intermediaire pour la synthese de cet acide |
Non-Patent Citations (1)
Title |
---|
See also references of EP0882721A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3233392B2 (ja) | 1998-01-22 | 2001-11-26 | 三共株式会社 | ノイラミン酸誘導体を含有する抗インフルエンザ薬 |
US6455571B1 (en) | 1998-04-23 | 2002-09-24 | Abbott Laboratories | Inhibitors of neuraminidases |
US6518305B1 (en) | 1998-04-23 | 2003-02-11 | Abbott Laboratories | Five-membered carbocyclic and heterocyclic inhibitors of neuraminidases |
US6593314B1 (en) | 1999-10-19 | 2003-07-15 | Abbott Laboratories | Neuraminidase inhibitors |
JP2012532894A (ja) * | 2009-07-16 | 2012-12-20 | グリフィス ユニバーシティ | 抗インフルエンザ薬 |
Also Published As
Publication number | Publication date |
---|---|
EP0882721A4 (en) | 1999-12-22 |
AU711845B2 (en) | 1999-10-21 |
AU4218997A (en) | 1998-04-02 |
US5948816A (en) | 1999-09-07 |
EP0882721A1 (en) | 1998-12-09 |
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