申请人:May & Baker Limited
公开号:US04517202A1
公开(公告)日:1985-05-14
Prostaglandin analogues of the general formula: ##STR1## (wherein R.sup.1 represents a hydrogen atom or a straight- or branched-chain alkyl group, Y.sup.1 represents a carbonyl or hydroxymethylene group, represents a single or double bond, A.sup.1 represents an alkylene linkage containing 2 or 3 carbon atoms and optionally bearing a methyl or ethyl substituent, R.sup.2 represents a hydrogen atom or a methyl or ethyl group and R.sup.3 represents a hydrogen atom or else R.sup.2 and R.sup.3 form an alkylene linkage containing 2 or 3 carbon atoms, optionally bearing a methyl or ethyl substituent, such that the symbols A.sup.1, R.sup.2 and R.sup.3, together with the carbon atoms through which they are connected, form a cycloalkyl ring of 6, 7 or 8 carbon atoms, optionally bearing one or two methyl or ethyl substituents, X.sup.1 represents an ethylene or trans-vinylene group, Y.sup.2 represents a carbonyl or hydroxymethylene group, and either (i) A.sup.2 represents a straight- or branched-alkylene chain containing from 1 to 3 carbon atoms, Z.sup.1 represents a direct bond or an oxygen or sulphur atom, and R.sup.4 represents a straight- or branched-chain alkyl group containing from 1 to 12 carbon atoms, optionally substituted by a cycloalkyl group containing from 3 to 8 carbon atoms, or represents a cycloalkyl group containing from 3 to 8 carbon atoms, or represents a phenyl group optionally substituted by a halogen atom or by a trifluoromethyl group or by a straight- or branched-chain alkyl or alkoxy group containing from 1 to 6 carbon atoms, or (ii) A.sup.2 and Z.sup.1 both represent direct bonds and R.sup.4 represents a straight- or branched-chain alkyl group containing from 1 to 12 carbon atoms, optionally substituted by a cycloalkyl group containing from 3 to 8 carbon atoms, or represents a cycloalkyl group containing from 3 to 8 carbon atoms) and cyclodextrin clathrates thereof and, when R.sup.1 represents a hydrogen atom, non-toxic salts thereof, possess useful pharmacological properties.
通式为:## STR1 ##的前列腺素类似物(其中R.sup.1表示氢原子或直链或支链烷基,Y.sup.1表示羰基或羟甲基亚甲基,表示单键或双键,A.sup.1表示含2或3个碳原子的烷基链,可选地带有甲基或乙基取代基,R.sup.2表示氢原子或甲基或乙基基团,R.sup.3表示氢原子或R.sup.2和R.sup.3形成含2或3个碳原子的烷基链,可选地带有甲基或乙基取代基,使得符号A.sup.1,R.sup.2和R.sup.3与它们连接的碳原子一起形成含6,7或8个碳原子的环烷基环,可选地带有一个或两个甲基或乙基取代基,X.sup.1表示乙烯或反式乙烯基团,Y.sup.2表示羰基或羟甲基亚甲基,且(i)A.sup.2表示含1至3个碳原子的直链或支链烷基链,Z.sup.1表示直接键或氧或硫原子,R.sup.4表示含1至12个碳原子的直链或支链烷基,可选地被含有3至8个碳原子的环烷基取代,或表示含有3至8个碳原子的环烷基,或表示苯基,可选地被卤原子或三氟甲基基团或含有1至6个碳原子的直链或支链烷基或烷氧基取代,或(ii)A.sup.2和Z.sup.1都表示直接键,R.sup.4表示含1至12个碳原子的直链或支链烷基,可选地被含有3至8个碳原子的环烷基取代,或表示含有3至8个碳原子的环烷基)及其环糊精包合物和当R.sup.1表示氢原子时,其无毒盐具有有用的药理学性质。