1-b]quinazolin-11-ones were obtained from N-(2-bromophenyl)pyridine-2-amines in up to quantitative yield and dipyrido[1,2-a:2′,3′-d]pyrimidin-5-ones from 3-bromo-N-(pyridine-2-yl)pyridine-2-amines in up to 84% yield. The cyclocarbonylation can be also realized without isolation of compound 1 and additional palladium catalyst.
通过使用1,3-双(
二异丁基膦基)
丙烷(
DIBPP)作为
配体的
钯催化的脱芳构羰基化反应,可以轻松合成N杂环。从N-(2-
溴苯基)
吡啶-2-胺中定量获得
吡啶并[2,1- b ]
喹唑啉-11-酮和二
吡啶并[1,2-a:2',3'- d ]来自3-溴-N-(
吡啶-2-基)
吡啶-2-胺的
嘧啶-5-酮,产率高达84%。也可以在不分离化合物1和另外的
钯催化剂的情况下实现环羰基化。