申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US04404378A1
公开(公告)日:1983-09-13
Novel compounds having vasodilation and hypotensive effects are represented by the formula ##STR1## where R.sup.1 is halogen, nitro, cyano or lower alkoxy; each of R.sup.2 and R.sup.3 is lower alkyl, lower haloalkyl, lower alkoxyalkyl, aralkyloxyalkyl, aryloxyalkyl, lower alkenoxyalkyl, N,N-di-lower alkylaminoalkyl, N-lower alkyl-N-aralkylaminoalkyl, piperidylalkyl, 4-lower alkyl piperazinylalkyl, norpholinoalkyl or 1-pyrrolidinylalkyl; R.sup.4 is lower alkyl; A is lower alkylene; and R.sup.5 is hydrogen, lower alkyl, cycloalkyl of 3 to 7 carbon atoms, or aryl unsubstituted or substituted by one or two substituents selected from halogen, nitro, lower alkyl, lower alkoxy, di-lower alkylamino and cyano. Also disclosed are processes for their preparation.
具有扩血管和降压作用的新化合物由以下式表示##STR1##其中R.sup.1为卤素、硝基、氰基或较低的烷氧基;R.sup.2和R.sup.3中的每一个为较低的烷基、较低的卤代烷基、较低的烷氧基烷基、芳基氧基烷基、芳基氧基烷基、较低的烯氧基烷基、N,N-二较低烷基氨基烷基、N-较低烷基-N-芳基氨基烷基、哌啶基烷基、4-较低烷基哌嗪基烷基、吗啉基烷基或1-吡咯啉基烷基;R.sup.4为较低的烷基;A为较低的烷基;R.sup.5为氢、较低的烷基、3至7个碳原子的环烷基,或者未取代或取代一个或两个卤素、硝基、较低烷基、较低烷氧基、二较低烷基氨基和氰基中的一种或两种取代基的芳基。还公开了它们的制备方法。