Claims
- 1. A compound of formula (I):
- 2. The compound of claim 1, wherein R1 represents a methyl or halomethyl group.
- 3. The compound of claim 1, wherein R1 represents a methyl group or a methyl group having at least one flourine substituent.
- 4. The compound of claim 1, wherein R1 represents a methyl, fluoromethyl or difluoromethyl group.
- 5. The compound of claim 1, wherein R1 represents a methyl group.
- 6. The compound of claim 1, wherein R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms.
- 7. The compound of claim 1, wherein R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms.
- 8. The compound of claim 1, wherein R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms and R3 represents a hydrogen atom.
- 9. The compound of claim 1, wherein R2 represents an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group.
- 10. The compound of claim 1, wherein R2 represents an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group and R3 represents a hydrogen atom.
- 11. The compound of claim 1, wherein R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms.
- 12. The compound of claim 1, wherein R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms.
- 13. The compound of claim 1, wherein R3 represents a hydrogen atom, or an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group.
- 14. The compound of claim 1, wherein X represents a halogen atom or an alkoxy group having from 1 to 4 carbon atoms.
- 15. The compound of claim 1, wherein X represents a fluorine atom, a methoxy group or an ethoxy group.
- 16. The compound of claim 1, wherein Y represents an amino group or a group of formula RbRcN—O—, where Rb and Rc are as defined in claim 1.
- 17. The compound of claim 1, wherein Y represents an amino group or an aminooxy group.
- 18. The compound of claim 1, wherein Y represents an amino group.
- 19. The compound of claim 1, wherein Z represents an oxygen atom.
- 20. The compound of claim 1, wherein:
R1 represents a methyl or halomethyl group; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms; R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms; X represents a halogen atom or an alkoxy group having from 1 to 4 carbon atoms; Y represents an amino group or a group of formula RbRcN—O—, where Rb and Rc are as defined above; and Z represents an oxygen atom.
- 21. The compound of claim 1, wherein:
R1 represents a methyl group or a methyl group having at least one flourine substituent; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group or an aminooxy group; and Z represents an oxygen atom.
- 22. The compound of claim 1, wherein:
R1 represents a methyl group or a methyl group having at least one flourine substituent; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; R3 represents a hydrogen atom; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group or an aminooxy group; and Z represents an oxygen atom.
- 23. The compound of claim 1, wherein:
R1 represents a methyl, fluoromethyl or difluoromethyl group; R2 represents an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group; R3 represents a hydrogen atom, or an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group; and Z represents an oxygen atom.
- 24. The compound of claim 1, wherein:
R1 represents a methyl group; R2 represents an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group and R3 represents a hydrogen atom; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group; and Z represents an oxygen atom.
- 25. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 26. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 27. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 28. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-9-O-palmitoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 29. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 30. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 31. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 32. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-9-O-octanoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 33. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 34. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 35. The compound of claim 1, selected from the group consisting of 5-acetamido-4-guanidino-9-O-palmitoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid and pharmaceutically acceptable salts and esters thereof.
- 36. A method of treating or preventing an infection in a mammal caused by a sialidase-bearing virus, which method comprises administering to said mammal an effective amount of a sialidase inhibitory compound, wherein the sialidase inhibitory compound is at least one compound selected from the group consisting of compounds of formula (I) and pharmaceutically acceptable salts and esters thereof, as claimed in claim 1.
- 37. The method of claim 36, wherein:
R1 represents a methyl or halomethyl group; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms; R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms; X represents a halogen atom or an alkoxy group having from 1 to 4 carbon atoms; Y represents an amino group or a group of formula RbRcN—O—, where Rb and Rc are as defined above; and Z represents an oxygen atom.
- 38. The method of claim 36, wherein:
R1 represents a methyl group or a methyl group having at least one flourine substituent; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group or an aminooxy group; and Z represents an oxygen atom.
- 39. The method of claim 36, wherein:
R1 represents a methyl group or a methyl group having at least one flourine substituent; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; R3 represents a hydrogen atom; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group or an aminooxy group; and Z represents an oxygen atom.
- 40. The method of claim 36, wherein:
R1 represents a methyl, fluoromethyl or difluoromethyl group; R2 represents an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group; R3 represents a hydrogen atom, or an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group; and Z represents an oxygen atom.
- 41. The method of claim 36, wherein:
R1 represents a methyl group; R2 represents an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group and R3 represents a hydrogen atom; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group; and Z represents an oxygen atom.
- 42. The method of claim 36, wherein the sialidase inhibitory compound is selected from the group consisting of:
5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-palmitoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-1-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-octanoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-palmitoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; and pharmaceutically acceptable salts and esters thereof.
- 43. A pharmaceutical composition for the treatment or prevention of infections in a mammal caused by sialidase-bearing viruses, which composition comprises a sialidase inhibitory compound in admixture with a pharmaceutically acceptable carrier or diluent, wherein the sialidase inhibitory compound is at least one compound selected from the group consisting of compounds of formula (I) and pharmaceutically acceptable salts and esters thereof, as claimed in claim 1.
- 44. The composition of claim 43, wherein:
R1 represents a methyl or halomethyl group; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms; R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms; X represents a halogen atom or an alkoxy group having from 1 to 4 carbon atoms; Y represents an amino group or a group of formula RbRcN—O—, where Rb and Rc are as defined above; and Z represents an oxygen atom.
- 45. The composition of claim 43, wherein:
R1 represents a methyl group or a methyl group having at least one flourine substituent; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group or an aminooxy group; and Z represents an oxygen atom.
- 46. The composition of claim 43, wherein:
R1 represents a methyl group or a methyl group having at least one flourine substituent; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 8 to 16 carbon atoms; R3 represents a hydrogen atom; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group or an aminooxy group; and Z represents an oxygen atom.
- 47. The composition of claim 43, wherein:
R1 represents a methyl, fluoromethyl or difluoromethyl group; R2 represents an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group; R3 represents a hydrogen atom, or an octanoyl, decanoyl, dodecanoyl, myristoyl or palmitoyl group; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group; and Z represents an oxygen atom.
- 48. The composition of claim 43, wherein:
R1 represents a methyl group; R2 represents an octanoyl, decanoyl, dodecanoyl, myristoyl or paimitoyl group and R3 represents a hydrogen atom; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group; and Z represents an oxygen atom.
- 49. The composition of claim 43, wherein the sialidase inhibitory compound is selected from the group consisting of:
5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-palmitoyl-2,3,4,5,7-pentadeoxy-7-fluoro-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-octanoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-myristoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-palmitoyl-2,3,4,5,7-pentadeoxy-7-ethoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; and pharmaceutically acceptable salts and esters thereof.
- 50. A compound represented by the formula (1):
- 51. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R1 is a methyl group which may be substituted with a fluorine atom.
- 52. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R1 is selected from the group consisting of methyl, monofluoromethyl and difluoromethyl groups.
- 53. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R1 is a methyl group.
- 54. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R2 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 55. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R2 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 56. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R2 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 57. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R3 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 58. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R3 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 59. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R3 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 60. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R4 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 61. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R4 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 62. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R4 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 63. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R2 is an aliphatic acyl group having from 3 to 25 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 64. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R2 is an aliphatic acyl group having from 6 to 25 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 65. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R2 is an aliphatic acyl group having from 6 to 20 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 66. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R2 is selected from the group consisting of hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups, and each of R3 and R4 is a hydrogen atom.
- 67. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein W is selected from the group consisting of hydrogen atoms and alkyl groups having from 1 to 18 carbon atoms.
- 68. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein W is a hydrogen atom.
- 69. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein W is an ester residue.
- 70. The compound or pharmacologically acceptable salt thereof according according to claim 50, wherein W is an alkyl group having from 6 to 18 carbon atoms.
- 71. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein each of R2, R3 and R4 is a hydrogen atom, and W is an ester residue.
- 72. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein each of R2, R3 and R4 is a hydrogen atom, and W is an alkyl group having from 6 to 18 carbon atoms.
- 73. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R1 is a methyl group which may be substituted with a fluorine atom, R2 is an aliphatic acyl group having from 3 to 25 carbon atoms, each of R3 and R4 is a hydrogen atom, and W is selected from the group consisting of hydrogen atoms and ester residues.
- 74. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R1 is a methyl group, R2 is an aliphatic acyl group having from 6 to 25 carbon atoms, each of R3 and R4 is a hydrogen atom, and W is selected from the group consisting of hydrogen atoms and alkyl groups having from 1 to 18 carbon atoms.
- 75. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R1 is a methyl group, R2 is an aliphatic acyl group having from 6 to 20 Carbon atoms, and each of R3, R4 and W is a hydrogen atom.
- 76. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R1 is a methyl group which may be substituted with a fluorine atom, each of R2, R3 and R4 is a hydrogen atom, and W is an ester residue.
- 77. The compound or pharmacologically acceptable salt thereof according to claim 50, wherein R1 is a methyl group, each of R2, R3 and R4 is a hydrogen atom, and W is an alkyl group having from 6 to 18 carbon atoms.
- 78. The compound or pharmacologically acceptable salt thereof according to claim 50, selected from the following group of compounds:
5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-hexanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-octanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-decanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-dodecanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-myristoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-palmitoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-stearoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, hexyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, myristyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, cetyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, and stearyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate.
- 79. A pharmaceutical composition comprising an effective amount of a pharmacologically active compound together with a pharmacologically acceptable diluent or carrier therefor, wherein said compound is a compound of formula (1):
- 80. The pharmaceutical composition according to claim 79, wherein R1 is a methyl group which may be substituted with a fluorine atom.
- 81. The pharmaceutical composition according to claim 79, wherein R1 is selected from the group consisting of methyl, monofluoromethyl and difluoromethyl groups.
- 82. The pharmaceutical composition according to claim 79, wherein R1 is a methyl group.
- 83. The pharmaceutical composition according to claim 79, wherein R2 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 84. The pharmaceutical composition according to claim 79, wherein R2 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 85. The pharmaceutical composition according to claim 79, wherein R2 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 86. The pharmaceutical composition according to claim 79, wherein R3 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 87. The pharmaceutical composition according to claim 79, wherein R3 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 88. The pharmaceutical composition according to claim 79, wherein R3 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 89. The pharmaceutical composition according to claim 79, wherein R4 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 90. The pharmaceutical composition according to claim 79, wherein R4 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 91. The pharmaceutical composition according to claim 79, wherein R4 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 92. The pharmaceutical composition according to claim 79, wherein R2 is an aliphatic acyl group having from 3 to 25 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 93. The pharmaceutical composition according to claim 79, wherein R2 is an aliphatic acyl group having from 6 to 25 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 94. The pharmaceutical composition according to claim 79, wherein R1 is an aliphatic acyl group having from 6 to 20 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 95. The pharmaceutical composition according to claim 79, wherein R2 is selected from the group consisting of hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups, and each of R3 and R4 is a hydrogen atom.
- 96. The pharmaceutical composition according to claim 79, wherein W is selected from the croup consisting of hydrogen atoms and alkyl groups having from 1 to 18 carbon atoms.
- 97. The pharmaceutical composition according to claim 79, wherein W is a hydrogen atom.
- 98. The pharmaceutical composition according to claim 79, wherein W is an ester residue.
- 99. The pharmaceutical composition according according to claim 79, wherein W is an alkyl group having from 6 to 18 carbon atoms.
- 100. The pharmaceutical composition according to claim 79, wherein each of R2, R3 and R4 is a hydrogen atom, and W is an ester residue.
- 101. The pharmaceutical composition according to claim 79, wherein each of R2, R3 and R4 is a hydrogen atom, and W is an alkyl group having from 6 to 18 carbon atoms.
- 102. The pharmaceutical composition according to claim 79, wherein R1 is a methyl group which may be substituted with a fluorine atom, R2 is an aliphatic acyl group having from 3 to 25 carbon atoms, each of R3 and R4 is a hydrogen atom, and W is selected from the group consisting of hydrogen atoms and ester residues.
- 103. The pharmaceutical composition according to claim 79, wherein R1 is a methyl group, R2 is an aliphatic acyl group having from 6 to 25 carbon atoms, each of R3 and R4 is a hydrogen atom, and W is selected from the group consisting of hydrogen atom s and alkyl groups having from 1 to 18 carbon atoms.
- 104. The pharmaceutical composition according to claim 79, wherein R1 is a methyl group, R2 is an aliphatic acyl group having from 6 to 20 carbon atoms, and each of R3, R4 and W is a hydrogen atom.
- 105. The pharmaceutical composition according to claim 79, wherein R1 is a methyl group which may be substituted with a fluorine atom, each of R2, R3 and R4 is a hydrogen atom, and W is an ester residue.
- 106. The pharmaceutical composition according to claim 79, wherein R1 is a methyl group, each of R2, R3 and R4 is a hydrogen atom, and W is an alkyl group having from 6 to 18 carbon atoms.
- 107. The pharmaceutical composition according to claim 79, wherein said compound of formula (1) or pharmacologically acceptable salt thereof is selected from the following group of compounds:
5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-hexanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-octanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-decanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-dodecanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-myristoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-palmitoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-stearoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, hexyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, myristyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, cetyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, and stearyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate.
- 108. A method for the treatment or prevention of viral infections, which method comprises administering a pharmacologically effective amount of an anti-viral compound to a mammal suffering from or susceptible to a viral infection, wherein said anti-viral compound is a compound represented by the formula (1):
- 109. The method according to claim 108, wherein R1 is a methyl group which may be substituted with a fluorine atom.
- 110. The method according to claim 108, wherein R1 is selected from the group consisting of methyl, monofluoromethyl and difluoromethyl groups.
- 111. The method according to claim 108, wherein R1 is a methyl group.
- 112. The method according to claim 108, wherein R2 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 113. The method according to claim 108, wherein R2 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 114. The method according to claim 108, wherein R2 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 115. The method according to claim 108, wherein R3 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 116. The method according to claim 108, wherein R3 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 117. The method according to claim 108, wherein R3 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 118. The method according to claim 108, wherein R4 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 25 carbon atoms.
- 119. The method according to claim 108, wherein R4 is selected from the group consisting of hydrogen atoms and aliphatic acyl groups having from 6 to 20 carbon atoms.
- 120. The method according to claim 108, wherein R4 is selected from the group consisting of hydrogen atoms and hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups.
- 121. The method according to claim 108, wherein R2 is an aliphatic acyl group having from 3 to 25 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 122. The method according to claim 108, wherein R2 is an aliphatic acyl group having from 6 to 25 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 123. The method according to claim 108, wherein R2 is an aliphatic acyl group having from 6 to 20 carbon atoms, and each of R3 and R4 is a hydrogen atom.
- 124. The method according to claim 108, wherein R2 is selected from the group consisting of hexanoyl, octanoyl, decanoyl, dodecanoyl, myristoyl, palmitoyl and stearoyl groups, and each of R3 and R4 is a hydrogen atom.
- 125. The method according to claim 108 wherein W is selected from the group consisting of hydrogen atoms and alkyl groups having from 1 to 18 carbon atoms.
- 126. The method according to claim 108, wherein W is a hydrogen atom.
- 127. The method according to claim 108, wherein W is an ester residue.
- 128. The method according according to claim 108, wherein W is an alkyl group having from 6 to 18 carbon atoms.
- 129. The method according to claim 108, wherein each of R2, R3 and R4 is a hydrogen atom, and W is an ester residue.
- 130. The method according to claim 108, wherein each of R2, R3 and R4 is a hydrogen atom, and W is an alkyl group having from 6 to 18 carbon atoms.
- 131. The method according to claim 108, wherein R1 is a methyl group which may be substituted with a fluorine atom, R2 is an aliphatic acyl group having from 3 to 25 carbon atoms, each of R3 and R4 is a hydrogen atom, and W is selected from the group consisting of hydrogen atoms and ester residues.
- 132. The method according to claim 108, wherein R1 is a methyl group, R2 is an aliphatic acyl group having from 6 to 25 carbon atoms, each of R3 and R4 is a hydrogen atom, and W is selected from the group consisting of hydrogen atoms and alkyl groups having from 1 to 18 carbon atoms.
- 133. The method according to claim 108, wherein R1 is a methyl group, R2 is an aliphatic acyl group having from 6 to 20 carbon atoms, and each of R3, R4 and W is a hydrogen atom.
- 134. The method according to claim 108, wherein R1 is a methyl group which may be substituted with a fluorine atom, each of R2, R3 and R4 is a hydrogen atom, and W is an ester residue.
- 135. The method according to claim 108, wherein R1 is a methyl group, each of R2, R3 and R4 is a hydrogen atom, and W is an alkyl group having from 6 to 18 carbon atoms.
- 136. The method according to claim 108, wherein said compound of formula (1) or pharmacologically acceptable salt thereof is selected from the following group of compounds:
5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-hexanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-octanoyl-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-decanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-dodecanoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-myristoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-palmitoyl-D-glycero-D-galacto-non-2-enopyranosoic acid, 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-9-O-stearoyl-D-glycero-D-non-2-enopyranosoic acid, hexyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, myristyl 5-acetamido-2,3,4,5-tetradeoxy-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, cetyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate, and stearyl 5-acetamido-2,3,4,5-tetradeoxy-4-guanidino-D-glycero-D-galacto-non-2-enopyranosoate.
- 137. The compound of claim 1, selected from the group consisting of
5-acetamido-4-guanidino-9-O-octanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid, and pharmaceutically acceptable salts and esters thereof.
- 138. The compound of claim 1, selected from the group consisting of
5-acetamido-4-guanidino-9-O-decanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid, and pharmaceutically acceptable salts and esters thereof.
- 139. The compound of claim 1, selected from the group consisting of
5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid, and pharmaceutically acceptable salts and esters thereof.
- 140. The compound of claim 1, selected from the group consisting of
5-acetamido-4-guanidino-9-O-hexadecanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid, and pharmaceutically acceptable salts and esters thereof.
- 141. The method of claim 36, wherein the sialidase inhibitory compound is selected from the group consisting of
5-acetamido-4-guanidino-9-O-octanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-decanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-hexadecanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; and pharmaceutically acceptable salts and esters thereof.
- 142. The composition of claim 43, wherein the sialidase inhibitory compound is selected from the group consisting of
5-acetamido-4-guanidino-9-O-octanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-decanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-dodecanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; 5-acetamido-4-guanidino-9-O-hexadecanoyl-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid; and pharmaceutically acceptable salts and esters thereof.
- 143. A compound of formula 1:
- 144. The compound of claim 137, wherein W represents an alkyl group having 1 to 25 carbon atoms.
- 145. The compound of claim 143, wherein W represents an alkyl group having from 6 to 25 carbon atoms.
- 146. The compound of claim 143, wherein W represents a hexyl, undecyl, tetradecyl, hexadecyl or octadecyl group.
- 147. The compound of claim 143, wherein:
R1 represents a methyl group; R2 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms; R3 represents a hydrogen atom or an aliphatic carboxylic acyl group having from 6 to 25 carbon atoms; X represents a fluorine atom, a methoxy group or an ethoxy group; Y represents an amino group; Z represents an oxygen atom; and W represents an alkyl group having 6 to 25 carbon atoms.
- 148. The compound of claim 143 wherein:
R2 and R3 represent a hydrogen atom; X represents methoxy; and W represents an alkyl group having 6 to 22 carbon atoms.
- 149. The compound of claim 143 wherein:
W represents an alkyl group having 6 to 18 carbon atoms.
- 150. The compound of claim 143, selected from the group consisting of 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid hexyl ester and pharmaceutically acceptable salts thereof.
- 151. The compound of claim 143, selected from the group consisting of 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid undecyl ester and pharmaceutically acceptable salts thereof.
- 152. The compound of claim 143, selected from the group consisting of 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid tetradecyl ester and pharmaceutically acceptable salts thereof.
- 153. The compound of claim 143, selected from the group consisting of 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid hexadecyl ester and pharmaceutically acceptable salts thereof.
- 154. The compound of claim 143, selected from the group consisting of 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid octadecyl ester and pharmaceutically acceptable salts thereof.
- 155. A method for the treatment or prevention of viral infections, which method comprises administering a pharmacologically effective amount of an anti-viral compound to a mammal suffering from or susceptible to a viral infection, wherein said anti-viral compound is a compound as claimed in claim 143.
- 156. The method of claim 155, wherein the sialidase inhibitory compound is selected from the group consisting of
5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid hexyl ester; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid undecyl ester; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid tetradecyl ester; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid hexadecyl ester; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid octadecyl ester; and pharmaceutically acceptable salts thereof.
- 157. A pharmaceutical composition comprising an effective amount of a pharmacologically active compound as claimed in claim 143 together with a pharmacologically acceptable diluent or carrier therefor.
- 158. The composition of claim 157 wherein the sialidase inhibitory compound is selected from the group consisting of
5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid hexyl ester; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid undecyl ester; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid tetradecyl ester; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid hexadecyl ester; 5-acetamido-4-guanidino-2,3,4,5,7-pentadeoxy-7-methoxy-D-glycero-D-galacto-non-2-enopyranosoic acid octadecyl ester; and pharmaceutically acceptable salts thereof.
Priority Claims (3)
Number |
Date |
Country |
Kind |
191862/1996 |
Jul 1996 |
JP |
|
86888/1997 |
Apr 1997 |
JP |
|
HEI 8-213456 |
Aug 1996 |
JP |
|
Parent Case Info
[0001] This application is:
[0002] (1) a C-I-P of Ser. No. 09/232,539 filed Jan. 18, 1999, which is a continuation of Ser. No. 08/895,952 filed Jul. 17, 1997; and
[0003] (2) a C-I-P of Ser. No. 09/249,420 filed Feb. 12, 1999, which is a continuation of International Application No. PCT/JP97/02810 filed Aug. 12, 1997.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09301672 |
Apr 1999 |
US |
Child |
09969851 |
Oct 2001 |
US |