申请人:Boehringer Biochemia Robin S.p.A.
公开号:US04798898A1
公开(公告)日:1989-01-17
2-Substituted thiazolidines compounds having formula I ##STR1## wherein X is a CH.sub.2, O or S, R is hydroxy or an acyloxy, alkyloxy, alkenyloxy or alkinyloxy group, R.sub.1 is hydrogen or a group of formula ##STR2## R.sub.2 is hydrogen or a free or esterified carboxy group, R.sub.a and R.sub.b are hydrogen or methyl, p is zero or 1, R.sub.3 is a C.sub.1 -C.sub.2 alkylsulphonyl group, a phenyl or p-Cl phenyl, p-methylsulphonyl group or an acyl group; are useful as mucus regulating, antitussive and antibronchospastic agents.
2-取代噻唑烷化合物的化学式为I ##STR1## 其中X为CH.sub.2、O或S,R为羟基或酰氧基、烷氧基、烯烷氧基或炔烷氧基,R.sub.1为氢或##STR2##的基团,R.sub.2为氢或自由或酯化的羧基团,R.sub.a和R.sub.b为氢或甲基,p为零或1,R.sub.3为C.sub.1-C.sub.2烷基磺酰基、苯基或对-氯苯基、对甲基磺酰基或酰基;这些化合物可用作调节黏液、止咳和抗支气管痉挛剂。