申请人:Nippon Shinyaku Co. Ltd.
公开号:US04241064A1
公开(公告)日:1980-12-23
1-Substituted-9H-pyrido[3,4-b]indole derivatives, which are further optionally substituted in the 3- or 4-position, are inhibitors of xanthine-oxidase. A representative embodiment is 1-formyl-4-hydroxy-9H-pyrido[3,4-b]indole which can be prepared through the processing of Picrasma quassioides.
1-取代-9H-吡啶[3,4-b]吲衍生物,可以在3-或4-位置进一步选择性地取代,是黄嘌呤氧化酶的抑制剂。代表性实施例是1-甲酰基-4-羟基-9H-吡啶[3,4-b]吲衍生物,可通过对苦木科植物Picrasma quassioides的加工制备得到。