摘要:
A compound of formula (I) or a pharmaceutically acceptable salt thereof: in which one of X and Y represents hydrogen and the other represents -CH₂-Z where Z is a group in which Q represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises one or two heteroatoms selected from oxygen, nitrogen and sulphur, or three nitrogen atoms, any amino nitrogen being optionally substituted by a C₁₋₂ alkyl, cyclopropyl or propargyl group, and any ring carbon atom being optionally substituted by a group R₁; or a group in which A₁, A₂ and A₃ complete a 5-membered aromatic ring and A₁ is oxygen or sulphur, one of A₂ and A₃ is CR₂ and the other is nitrogen or CR₃, or A₂ is oxygen or sulphur, one of A₁ and A₃ is CR₂ and the other is CR₃; and R₁, R₂ and R₃ independently selected from hydrogen, halogen, CN, OR₄, SR₄ N(R₄)₂, NHCOR₄, NHCOOCH₃, NHCOOC₂H₅, NHOR₄, NHNH₂, NO₂, COR₄, COR₅, C₂₋₄alkenyl, C₂₋₄ alkynyl, cyclopropyl or C₁₋₂ alkyl optionally substituted with OR₄, N(R₄)₂, SR₄, CO₂R₄, CON(R₄)₂ or one, two or three halogen atoms, in which each R₄ is independently hydrogen or C₁₋₂ alkyl and R₅ is OR₄, NH₂ or NHR₄; r represents an integer of 2 or 3, s represents an integer of 1 or 2 and t represents 0 or 1, with the proviso that when Y is hydrogen s is 1.
摘要:
A compound of formula (I) or a pharmaceutically acceptable salt thereof: in which one of X and Y represents hydrogen and the other represents -CH₂-Z where Z is a group in which Q represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises one or two heteroatoms selected from oxygen, nitrogen and sulphur, or three nitrogen atoms, any amino nitrogen being optionally substituted by a C₁₋₂ alkyl, cyclopropyl or propargyl group, and any ring carbon atom being optionally substituted by a group R₁; or a group in which A₁, A₂ and A₃ complete a 5-membered aromatic ring and A₁ is oxygen or sulphur, one of A₂ and A₃ is CR₂ and the other is nitrogen or CR₃, or A₂ is oxygen or sulphur, one of A₁ and A₃ is CR₂ and the other is CR₃; and R₁, R₂ and R₃ independently selected from hydrogen, halogen, CN, OR₄, SR₄ N(R₄)₂, NHCOR₄, NHCOOCH₃, NHCOOC₂H₅, NHOR₄, NHNH₂, NO₂, COR₄, COR₅, C₂₋₄alkenyl, C₂₋₄ alkynyl, cyclopropyl or C₁₋₂ alkyl optionally substituted with OR₄, N(R₄)₂, SR₄, CO₂R₄, CON(R₄)₂ or one, two or three halogen atoms, in which each R₄ is independently hydrogen or C₁₋₂ alkyl and R₅ is OR₄, NH₂ or NHR₄; r represents an integer of 2 or 3, s represents an integer of 1 or 2 and t represents 0 or 1, with the proviso that when Y is hydrogen s is 1.
摘要:
A compound of formula (I) or a pharmaceutically acceptable salt thereof: in which X represents R₁OOC- in which R₁ is C₁₋₄ alkyl, C₂₋₄ alkenyl or C₂₋₄ alkynyl; R₂O- in which R₂ is C₁₋₂ alkyl, C₁₋₂ alkylcarbonyl or aminocarbonyl optionally substituted by one or two methyl groups; a group in which Y represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises one or two heteroatoms selected from oxygen, nitrogen and sulphur, any amino nitrogen optionally substituted by a C₁₋₂ alkyl group, Y being optionally C-substituted by a methyl group; or a group in which A₁ is oxygen or sulphur, one of A₂ and A₃ is CR₃ and the other is nitrogen or CR₄ where R₃ and R₄ are independently selected from hydrogen and methyl; and each of p and q independently represents an integer of 2 to 4.
摘要:
Novel compounds of formula (I), processes for their preparation, and their use as pharmaceutical agents are described: in which p represents an integer of 2 to 4; r represents an integer of 1 or 2; s represents 0 or 1; and X represents a group in which A₁ is oxygen or sulphur, one of A₂ and A₃ is CR₁ and the other is nitrogen or CR₂, or A₂ is oxygen or sulphur, A₁ is CH and A₃ is CR₁, where R₁ and R₂ are independently selected from hydrogen and C₁₋₂ alkyl, with the proviso that when r is 2, R₁ and R₂ are hydrogen or methyl.
摘要:
Novel compounds of formula (I), processes for their preparation, and their use as pharmaceutical agents are described: in which X represents a group wherein one of Y and Z represents nitrogen and the other represents CR where R is selected from halogen, CN, OR¹, SR¹, N(R¹)₂, NHR¹, NHCOR¹, NHCOOCH₃, NHCOOC₂H₅, NHOR¹, NHNH₂, COR¹, COR², C₂₋₄ alkenyl, C₂₋₄ alkynyl or C₁₋₂ alkyl substituted with OR¹, N(R¹)₂, SR¹, CO₂R¹, CON(R¹)₂ or one or two halogen atoms, in which R¹ is hydrogen or C₁₋₂ alkyl and R² is OR¹, NH₂ or NHR¹; and each of p and q independently represents an integer of 2 to 4.
摘要:
A compound of formula (I) or a pharmaceutically acceptable salt thereof: in which X represents R₁OOC- in which R₁ is C₁₋₄ alkyl, C₂₋₄ alkenyl or C₂₋₄ alkynyl; R₂O- in which R₂ is C₁₋₂ alkyl, C₁₋₂ alkylcarbonyl or aminocarbonyl optionally substituted by one or two methyl groups;
a group in which Y represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises one or two heteroatoms selected from oxygen, nitrogen and sulphur, any amino nitrogen optionally substituted by a C₁₋₂ alkyl group, Y being optionally C-substituted by a methyl group; or a group in which A₁ is oxygen or sulphur, one of A₂ and A₃ is CR₃ and the other is nitrogen or CR₄ where R₃ and R₄ are independently selected from hydrogen and methyl; and each of p and q independently represents an integer of 2 to 4.