申请人:Beecham Group Limited
公开号:US04136190A1
公开(公告)日:1979-01-23
Compounds of formula (I): ##STR1## wherein: n is 4 to 8, X is CO, protected CO or CROH wherein R is hydrogen or C.sub.1-4 alkyl and wherein the OH moiety may be protected; R.sub.1 is hydrogen, or CO.sub.2 R.sub.1 represents an ester group in which the R.sub.1 moiety contains from 1 to 12 carbon atoms; R.sub.3 is hydroxy or protected hydroxy; R.sub.2 and R.sub.4 are separately hydrogen, C.sub.1-9 alkyl, C.sub.5-8 cycloalkyl, C.sub.5-8 cycloalkyl-C.sub.1-6 alkyl, phenyl, phenyl C.sub.1-6 alkyl, naphthyl, naphthyl C.sub.1-6 alkyl, any of which phenyl or naphthyl moieties may be substituted by one or more halogen, trifluoromethyl, C.sub.1-6 alkyl, C.sub.1-6 alkoxy or nitro groups; or R.sub.2 and R.sub.4 taken with the carbon atoms to which they are joined represent C.sub.5-8 cycloalkyl; A is hydrogen or a group CO.sub.2 B wherein B is hydrogen, or CO.sub.2 B represents an ester group in which the B moiety contains from 1 to 12 carbon atoms; or methyl; and salts thereof; have useful pharmacological properties including anti-gastric secretion, bronchodilator and platelet aggregration inhibition activities.
式(I)的化合物:##STR1## 其中:n为4至8,X为CO,保护的CO或CROH,其中R为氢或C.sub.1-4烷基,且OH基团可以被保护;R.sub.1为氢,或CO.sub.2R.sub.1表示一个酯基,其中R.sub.1基团含有1至12个碳原子;R.sub.3为羟基或保护的羟基;R.sub.2和R.sub.4分别为氢、C.sub.1-9烷基、C.sub.5-8环烷基、C.sub.5-8环烷基-C.sub.1-6烷基、苯基、苯基-C.sub.1-6烷基、萘基、萘基-C.sub.1-6烷基,其中苯基或萘基中的任何一个可能被一个或多个卤素、三氟甲基、C.sub.1-6烷基、C.sub.1-6烷氧基或硝基取代;或R.sub.2和R.sub.4与它们连接的碳原子一起表示C.sub.5-8环烷基;A为氢或CO.sub.2B基团,其中B为氢,或CO.sub.2B表示一个酯基,其中B基团含有1至12个碳原子;或甲基;以及其盐;具有有用的药理学性质,包括抗胃分泌、支气管扩张和血小板聚集抑制活性。