Transformations of the pyrido[1,2-<i>a</i>]pyrazine ring system into imidazo[1,2-<i>a</i>]pyridines, imidazo[1,2-<i>a</i>]pyrimidines and 2-oxa-6a, 10c-diazaaceanthrylenes
作者:Patrik Kolar、Miha Tišler、Alessandro Pizzioli
DOI:10.1002/jhet.5570330319
日期:1996.5
Transformations of methyl 3-dimethylamino-2-(1-methoxycarbonyl-4-oxo-4H-pyrido[1,2-a]pyrazin-3-yl)acrylate with some cyanomethylenecarbonyl group containing compounds or cyanamide into imidazo-[1,2-a]pyridines, irmdazo[1,2-a]pyrimidines and 2-oxa-6a, 10c-diazaaceanthrylenes are described.
将3-甲基二甲基氨基-2-(1-甲氧基羰基-4-氧代-4 H-吡啶基[1,2 - a ]吡嗪-3-基)丙烯酸甲酯与某些含氰基亚甲基羰基的化合物或氰胺转化为咪唑基-[1,描述了2- a ]吡啶,irmdazo [1,2- a ]嘧啶和2-oxa-6a,10c-二氮杂并蒽。