Benzo[f]quinoline derivatives which are useful as antihypertensive agents and are represented by the formula:
wherein R is hydrogen or lower alkyl, R2 is hydrogen, lower alkyl, hydroxy-lower-alkyl or lower-alkoxy-lower-alkyl, R3 and R4 are the same or different and each is hydrogen, lower alkyl, halogen, lower alkoxy, benzyloxy or hydroxy, R5 and R6 are the same or different and each is hydrogen, straight or branched alkyl, aralkyl or cycloalkyl, or R5 and R6 together with the adjacent nitrogen atom form a heterocycle, and the dotted line in the ring is an optional bond between 1- and 2-positions, and pharmaceutically acceptable acid addition salts thereof.
可用作降压药的苯并[f]
喹啉衍
生物,由式表示:
其中 R 是氢或低级烷基,R2 是氢、低级烷基、羟基-低级烷基或低级烷氧基-低级烷基,R3 和 R4 相同或不同且各自是氢、低级烷基、卤素、低级烷氧基、苄氧基或羟基,R5 和 R6 相同或不同且各自是氢、直链或支链烷基、芳烷基或环烷基,或 R5 和 R6 与相邻的氮原子一起形成杂环,环中的虚线是 1 位和 2 位之间的任选键,及其药学上可接受的酸加成盐。