申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04377580A1
公开(公告)日:1983-03-22
Quinazoline derivatives of the formulae: ##STR1## wherein A.sup.1 is ##STR2## A.sup.2 is ##STR3## R.sup.1 is hydrogen, carboxy or esterified carboxy, R.sub.a.sup.1 and R.sub.b.sup.1 are esterified carboxy, R.sup.2 and R.sup.3 are hydrogen, alkyl, halogen, nitro, amino, alkoxy, aryloxy, alkylthio, alkylpiperazinyl, acylamino or dialkylamino which may be substituted with hydroxy, R.sup.4 is hydrogen, alkyl, hydroxy, alkoxy, alkenyloxy, dialkylamino or 2,2-dialkoxycarbonylvinylamino R.sub.a.sup.4 is hydrogen, alkyl, hydroxy, alkoxy, alkenyloxy or dialkylamino, R.sup.5 is alkyl or alkenyl, and R.sup.6 is carboxy or esterified carboxy.
配方为:##STR1## 的
喹唑啉衍
生物,其中A.sup.1是##STR2##,A.sup.2是##STR3##,R.sup.1是氢、羧基或酯化羧基,R.sub.a.sup.1和R.sub.b.sup.1是酯化羧基,R.sup.2和R.sup.3是氢、烷基、卤素、硝基、
氨基、烷氧基、芳氧基、烷
硫基、烷基
哌嗪基、酰基
氨基或二烷基
氨基,可以被羟基取代,R.sup.4是氢、烷基、羟基、烷氧基、烯基氧基、二烷
氨基或2,2-二烷氧羰基
乙烯基氨基,R.sub.a.sup.4是氢、烷基、羟基、烷氧基、烯基氧基或二烷基
氨基,R.sup.5是烷基或烯基,R.sup.6是羧基或酯化羧基。