申请人:Nippon Shinyaku Co., Ltd.
公开号:US04659734A1
公开(公告)日:1987-04-21
A compound of the formula ##STR1## R.sub.1 is hydrogen, alkali metal, alkaline earth metal, lower alkyl, pivaloyloxymethyl or phthalidyl; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are the same or different and are hydrogen, halogen, lower alkoxy or ##STR2## wherein R.sub.6 and R.sub.7 are lower alkyl or R.sub.6 and R.sub.7 together with the nitrogen atom to which they are attached form a five- to seven-membered unsubstituted or substituted heterocyclic ring containing said nitrogen atom as the sole hetero atom or containing nitrogen, sulfur or oxygen as additional hetereo atoms; A is a saturated or unsaturated hydrocarbon chain of one to five carbon atoms, unsubstituted or substituted by lower alkyl; lower alkoxy; lower alkylthio; hydroxy; halogen; lower alkyl substituted by halogen, amino, loweralkoxycarbonyl, carboxy, lower-alkoxy, loweralkylthio, loweracyloxy or hydroxy; loweralkylamino; carboxy; nitro; cyano; carbonyl; imino; or by substituted or unsubstituted phenyl, phenylthio, phenylamino or phenoxy; and R.sub.2 and R.sub.3 or R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 together may be alkylenedioxy of 1 to 5 carbon atoms which form a ring with the carbon atoms to which they are attached; or a pharmaceutically acceptable salt thereof.
该化合物的化学式为##STR1##其中R.sub.1是氢、碱金属、碱土金属、低烷基、皮醇氧甲基或邻苯二甲酰基;R.sub.2、R.sub.3、R.sub.4和R.sub.5相同或不同,是氢、卤素、低烷氧基或##STR2##其中R.sub.6和R.sub.7是低烷基,或者R.sub.6和R.sub.7与它们连接的氮原子一起形成一个含有该氮原子作为唯一杂原子的五至七元未取代或取代的杂环环;A是一个饱和或不饱和的含有一到五个碳原子的碳氢链,未取代或取代为低烷基;低烷氧基;低烷硫基;羟基;卤素;被卤素、氨基、低烷氧羰基、羧基、低烷氧基、低烷硫基、低酰氧基或羟基取代的低烷基;低烷基氨基;羧基;硝基;氰基;羰基;亚胺基;或被取代或未取代的苯基、苯硫基、苯氨基或苯氧基取代的低烷基;R.sub.2和R.sub.3或R.sub.3和R.sub.4或R.sub.4和R.sub.5一起可以是含有与它们连接的碳原子形成环的1到5个碳原子的烷二氧基;或其药用可接受盐。