申请人:E. I. Du Pont de Nemours and Company
公开号:US04748184A1
公开(公告)日:1988-05-31
The present invention relates to new compounds of the formula ##STR1## wherein X is ##STR2## wherein R.sub.1 is hydrogen, lower alkyl, phenyl, benzyl, cinnamoyl, thiophene, furan, pyrrole, imidazole, pyrazole oxazole or thiazole; W is hydrogen or hydroxy; (Y).sub.A is positioned ortho to W and is an aminoloweralkyl having the formula --CH.sub.2 NR.sub.2 R.sub.3 where R.sub.2 and R.sub.3 are the same or different and may be lower alkyl or R.sub.2 and R.sub.3 may together with N form a pyrrolidine, piperidine or azepine ring, and A is 2; n and m are independently from 0 to 5; and R is straight or branched C.sub.1 -C.sub.10 alkyl, straight or branched C.sub.3 -C.sub.10 cycloalkyl, straight or branched C.sub.2 -C.sub.4 alkenyl or straight or branched C.sub.2 -C.sub.4 alkynyl, or a pharmaceutically acceptable salt thereof. These compounds are useful in the treatment of various cardiac arrhythmias.
本发明涉及新化合物,其化学式为##STR1##其中X为##STR2##其中R.sub.1为氢、较低的烷基、苯基、苄基、肉桂酰基、噻吩、呋喃、吡咯、咪唑、吡唑、噁唑或噻唑;W为氢或羟基;(Y).sub.A位于W的邻位,是具有--CH.sub.2 NR.sub.2 R.sub.3式的氨基较低烷基,其中R.sub.2和R.sub.3相同或不同,可以是较低的烷基,或R.sub.2和R.sub.3可以与N一起形成吡咯烷、哌啶或环庚烯环,A为2;n和m独立地从0到5;R为直链或支链的C.sub.1-C.sub.10烷基,直链或支链的C.sub.3-C.sub.10环烷基,直链或支链的C.sub.2-C.sub.4烯基或直链或支链的C.sub.2-C.sub.4炔基,或其药学上可接受的盐。这些化合物在治疗各种心律失常方面是有用的。