申请人:Beecham Group Limited
公开号:US04138407A1
公开(公告)日:1979-02-06
Compounds of formula (I): ##STR1## wherein: m is 1 or 2; 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 atom to which they are joined represent a C.sub.5-8 cycloalkyl group; and salts thereof; except that when one of R.sub.2 and R.sub.4 is hydrogen or C.sub.1-4 alkyl when the other of R.sub.2 and R.sub.4 cannot be hydrogen or C.sub.1-9 alkyl; have useful pharmacological properties including antigastric secretion, bronchodilator and platelet aggregation inhibition activities.
式(I)的化合物:其中:m为1或2;n为4至8;X为CO,受保护的CO或CROH,其中R为氢或C.sub.1-4烷基,OH基团可以受保护;R.sub.1为氢或CO.sub.2,R.sub.1代表一个酯基,其中R.sub.1基团含有1至12个碳原子;R.sub.3为羟基或受保护的羟基;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,其中苯基或萘基可以被一个或多个卤素、三氟甲基、C.sub.1-6烷基、C.sub.1-6烷氧基或硝基取代;或者R.sub.2和R.sub.4与它们连接的碳原子一起代表一个C.sub.5-8环烷基基团;及其盐;除非R.sub.2和R.sub.4中的一个为氢或C.sub.1-4烷基时,另一个不能为氢或C.sub.1-9烷基;具有有用的药理特性,包括抗胃分泌、支气管扩张剂和抑制血小板聚集活性。