摘要:
Compounds of formula (I), or a pharmaceutically acceptable salt thereof: Y-CO-L-Z (I) wherein L is NH or O; Y is a group of formula (a), (b) or (c): wherein R₁ and R₂, R₅ and R₆, R₉ and R₁₀, are independently selected from hydrogen or halogen; X is N or CR₃ wherein R₃ is hydrogen or C₁₋₆ alkoxy; R₄ is hydrogen, halogen, CF₃, C₁₋₆ alkyl, C₁₋₆ alkoxy, C₁₋₆ alkylthio, C₁₋₆ alkylsulphonyl, C₁₋₆ alkylsulphinyl, C₁₋₇ acyl, cyano, C₁₋₆ alkoxycarbonyl, C₁₋₇ acylamino, hydroxy, nitro or amino, aminocarbonyl, or aminosulphonyl, optionally N-substituted by one or two groups selected from C₁₋₆ alkyl, C₃₋₈ cycloalkyl, and C₃₋₈ cycloalkyl C₁₋₄ alkyl or disubstituted by C₄ or C₅ polymethylene; phenyl or phenyl C₁₋₄ alkyl group optionally substituted in the phenyl ring by one or two of halogen, C₁₋₆ alkoxy or C₁₋₆ alkyl groups; one of R₇ and R₈ is C₁₋₆ alkyl and the other is C₁₋₆ alkyl, phenyl or phenyl C₁₋₄ alkyl optionally substituted in either phenyl ring by one or two of C₁₋₆ alkyl, C₁₋₆ alkoxy or halogen; or R₇ and R₈ together are C₂₋₆ polymethylene or C₂₋₅ polymethylene interrupted by an -O- linkage; R₁₁ is hydrogen or C₁₋₆ alkoxy; R₁₂ is hydrogen, halogen, CF₃, C₁₋₆ alkyl, C₁₋₆ alkoxy, C₁₋₆ alkylthio, C₁₋₆ alkylsulphonyl, C₁₋₆ alkylsulphinyl, C₁₋₇ acyl, cyano, C₁₋₆ alkoxycarbonyl, C₁₋₇ acylamino, hydroxy, nitro or amino, aminocarbonyl, or aminosulphonyl, optionally N-substituted by one or two groups selected from C₁₋₆ alkyl, C₃₋₈ cycloalkyl, and C₃₋₈ cycloalkyl C₁₋₄ alkyl or disubstituted by C₄ or C₅ polymethylene; phenyl or phenyl C₁₋₄ alkyl optionally substituted in either phenyl ring by one or two of halogen, C₁₋₆ alkoxy or C₁₋₆ alkyl groups; Z is a group of formula (d), (e) or (f): wherein n is 2 or 3; p is 1 or 2; q is 1 to 3; r is 1 to 3; and R₁₃ or R₁₄ is C₁₋₄ alkyl; having 5-HT₃ receptor antagonist activity, a process for their preparation and their use as pharmaceuticals.
摘要:
Compounds of formula (I) and pharmaceutically acceptable salts thereof: wherein a and b together form an -O- or -CH₂- linkage or a bond; either Y is N and R₂ is hydrogen; or Y is C-R₁ wherein either one of R₁ and R₂ is hydrogen and the other is nitro, cyano, halo, CF₃, formyl, aldoxime, CF₃O, NO₂-CH=CH-, NC-CH=CH-; a group R x X- wherein R x is C₁₋₆ alkyl, aryl or heteroaryl either of which may be optionally substituted by one, two or three of C₁₋₄ alkyl, C₁₋₄ alkoxy, nitro, halo, CF₃ and cyano; and X is C=O, O.C=O, C=O.O, CHOH, SO, SO₂, O.SO, O.SO₂, CONH, O.CONH, C=S, O.C=S, C=S.O, CH.SH, SONH, SO₂NH, O.SONH, O.SO₂NH, CO-CH=CH, C=NHOH, C=NNH₂; or a group R y R z NZ- wherein R y and R z are independently hydrogen or C₁₋₆ alkyl and Z is C=O, SO or SO₂; or R₁ is a C₃₋₈ cycloalkyl group or a C₁₋₆ alkyl group optionally substituted by a group which is hydroxy, C₁₋₆ alkoxy, amino optionally substituted by one or two C₁₋₆ alkyl groups, C₁₋₇ alkanoylamino, C₃₋₈ cycloalkyloxy or C₃₋₈ cycloalkylamino; and R₂ is hydrogen; or one of R₁ and R₂ is nitro, cyano or C₁₋₃ alkylcarbonyl and the other is a different group selected from nitro, cyano, halo, C₁₋₃ alkylcarbonyl, methoxy or amino optionally substituted by one or two C₁₋₆ alkyl or by C₂₋₇ alkanoyl; either one of R₃ and R₄ is hydrogen or C₁₋₄ alkyl and the other is C₁₋₄ alkyl; or R₃ and R₄ together are C₂₋₅ polymethylene; either R₅ is hydrogen, hydroxy, C₁₋₆ alkoxy or C₁₋₇ acyloxy; and R₆ is hydrogen; or R₅ and R₆ together are a bond; either R₇ is hydrogen, C₁₋₆ alkyl, C₃₋₆ cycloalkyl, C₂₋₆ alkenyl or C₂₋₆ alkynyl; and R₈ is hydrogen or C₁₋₆ alkyl; or R₇ and R₈ together are C₂₋₄ polymethylene; R₉ is CN, NO₂, COR₁₀ or SO₂R₁₀ wherein R₁₀ is C₁₋₃ alkyl, NH₂, NH(C₁₋₃ alkyl), CF₃ or phenyl optionally substituted as defined for R x ; and the R₈N(NR₉)NHR₇ moiety is trans to the R₅ group when R₅ is hydroxy, C₁₋₆ alkoxy or C₁₋₇ acyloxy; having antihypertensive and/or bronchodilator activity, processes for their preparation and their use as pharmaceuticals.
摘要:
A skin treatment composition comprising a topically acceptable base and an effective amount of at least one ester of retinol is useful in the treatment of photoaged human skin.
摘要:
A pharmaceutical product comprising a potassium channel activator antihypertensive agent and an ACE inhibitor antihypertensive agent as a combined preparation for simultaneous, separate or sequential use in therapy of hypertension.
摘要:
A method of treatment of cough and/or bronchoconstriction in mammals, including humans, which method com prises the administration to the mammal in need of such treatment, an effective amount of a 5-HT₃ receptor antagonist.
摘要:
A method for the treatment and/or prophylaxis of hyperglycaemia in human or non-human mammals which comprises administering to the mammal in need of such treatment and/or prophylaxis an effective non-toxic amount of: a compound of formula (I): or a pharmaceutically acceptable acid addition salt thereof, wherein each of R¹ and R², which may be the same or different, represents a hydrogen or halogen atom, or an alkyl or alkoxy group containing 1 to 4 carbon atoms, X represents an oxygen or sulphur atom, an imino group, an acylimino group containing 2 to 4 carbon atoms in the acyl group, or a methylene group, each of n and m, which may be the same or different, represents the number 1, 2 or 3, and p represents the number 2 or 3; with the proviso that when the moiety is present in formula (I), then either R¹ or R² must represent hydrogen; or a compound of formula (II): or a pharmaceutically acceptable acid addition salt thereof, wherein each of R³ and R⁴ may be either a hydrogen or halogen atom; or an alkyl or alkoxy group either of which groups may have from 1 to 4 carbon atoms; providing that either R³ or R⁴ must be hydrogen; R⁵ and R⁶ can be identical or different and either a hydrogen or an alkyl with 1 to 4 carbon atoms, and R⁷, R⁸, R⁹, and R¹⁰ can be identical or different and either hydrogen or an alkyl with 1 to 4 carbon atoms, or in which R⁷ and R⁸ together represent an ethylene group with the further proviso that when R⁷ and R⁸ represent an ethylene group then at least one of R⁵, R⁶, R⁹ and R¹⁰ represents an alkyl group with 1 to 4 carbon atoms; and compositions for use in such method.
摘要:
Compounds of formula (I): wherein R¹ is hydrogen or optionally protected hydroxy; R² is alkoxy, optionally protected hydroxy, oxo or optionally O-substituted oximino; R³ is hydrogen, optionally protected hydroxy,or a group 4′-(α- L -oleandrosyl)-α- L -oleandrosyloxy or α - L -oleandrosyloxy wherein the terminal hydroxy group is optionally protected; one of R⁴ and R⁵ is hydrogen and the other is methyl; and one of R⁶ and R⁷ is hydrogen and the other is methyl; with the proviso that (a) when R¹ is optionally protected hydroxy, R³ is hydrogen, and (b) when R² is not methoxy or optionally protected hydroxy, R¹ and R³ are both hydrogen, are new and useful as anthelmintic agents.
摘要:
A topical composition for application to skin affected by acne contains from 0.05 to 2% by weight of Octopirox together with a topically acceptable carrier. The composition is particularly useful for treating acne vulgaris.