申请人:FUJISAWA PHARMACEUTICAL CO
公开号:WO2003055865A1
公开(公告)日:2003-07-10
A quinazolinone derivatives having poly (adenosine 5'-diphospho-ribose) polymerase (PARP) inhibitory activity represented by the formula (I): wherein R1 is substituted cyclic amino groups or optionally substituted amino group, R2 is substituent, n means an integer of 0 to 4, and L1is (1) cyclo (lower) alkylene, (2) cyclo (lower) alkenylene, (3) diradical of saturated- or unsaturated monocyclic group with one or more nitrogen atom(s), which is obtained after removal of one hydrogen atom from said monocyclic group, or (4) -N (R3) -L2- (wherein R3 is hydrogen or lower alkyl, and L2 is lower alkylene or lower alkenylene), or its prodrug, or a salt thereof.
一种具有聚腺苷酸二磷酸核糖酶(PARP)抑制活性的喹唑啉酮衍生物,其化学式为(I):其中R1为取代的环氨基基团或可选取代的氨基基团,R2为取代基,n表示0至4的整数,L1为(1)环(低)烷基,(2)环(低)烯基,(3)饱和或不饱和的含有一个或多个氮原子的单环基团的二重基,在从所述单环基团中去除一个氢原子后获得,或(4)-N(R3)-L2-(其中R3为氢或低烷基,L2为低烷基或低烯基),或其前药,或其盐。