申请人:Ishida Junya
公开号:US20050043333A1
公开(公告)日:2005-02-24
A quinazolinone derivatives having poly (adenosine 5′-diphospho-ribose) polymerase (PARP) inhibitory activity represented by the formula (I): wherein R
1
is substituted cyclic amino groups or optionally substituted amino group, R
2
is substituent, n means an integer of 0 to 4, and L
1
is (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(R
3
)—L
2
— (wherein R
3
is hydrogen or lower alkyl, and L
2
is lower alkylene or lower alkenylene), or its prodrug, or a salt thereof.
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,其化学式表示为(I):其中R1是取代的环氨基或可选取代的氨基基团,R2是取代基,n是0到4的整数,L1是(1)环(低)烷基,(2)环(低)烯基,(3)饱和或不饱和单环基的二自由基,其中该单环基上的一个或多个氢原子被去除后获得,或(4)—N(R3)—L2—(其中R3是氢或低烷基,L2是低烷基或低烯基烷基),或其前药,或其盐。