申请人:Pfizer Inc.
公开号:US04243672A1
公开(公告)日:1981-01-06
5-Substituted 2-pyrroleglyoxylic acids, L- and DI-5-substituted 2-pyrrolylglycines and their derivatives of the formulae ##STR1## and pharmaceutically acceptable cationic and acid addition salts thereof, wherein R is hydrogen or alkyl having from one to four carbon atoms; R.sup.1 is alkyl or alkylthio having one to ten carbon atoms, alkenyl having from three to six carbon atoms, cycloalkylthio having from five to seven carbon atoms or AR.sup.3 where A is a member bonded to the pyrrole ring and is alkylene or alkylenethio having from one to four carbon atoms or alkenylene having from two to four carbon atoms and R.sup.3 is cycloalkyl having from three to seven carbon atoms, cycloalkenyl having from five to seven carbon atoms or C.sub.6 H.sub.4 R.sup.4 where R.sup.4 is H, F, Cl, Br, I, alkyl or alkoxy, the latter two groups each having from one to four carbon atoms; R.sup.2 is hydroxy, alkoxy having from one to four carbon atoms or amino; are useful in treatment of diseases and conditions which are characterized by reduced blood flow, reduced oxygen availability or reduced carbohydrate metabolism in the cardiovascular system.
5-取代的2-吡咯基甘氨酸,L-和DI-5-取代的2-吡咯基甘氨酸及其衍生物的化学式为##STR1##以及其药学上可接受的阳离子和酸加合盐,其中R为氢或具有一至四个碳原子的烷基;R.sup.1为具有一至十个碳原子的烷基或烷硫基,具有三至六个碳原子的烯基,具有五至七个碳原子的环烷硫基或AR.sup.3,其中A是与吡咯环结合的成员,并且是具有一至四个碳原子的烷基或烷硫基或具有两至四个碳原子的烯基,R.sup.3为具有三至七个碳原子的环烷基,具有五至七个碳原子的环烯基或C.sub.6 H.sub.4 R.sup.4,其中R.sup.4为H、F、Cl、Br、I、烷基或烷氧基,后两种基团分别具有一至四个碳原子;R.sup.2为羟基,具有一至四个碳原子的烷氧基或氨基;在治疗由心血管系统中血流减少、氧气供应减少或碳水化合物代谢减少特征的疾病和症状中有用。