Palladium catalyzed synthesis of quinazolino [1,4] benzodiazepine alkaloids and analogous
作者:Kumaraswamy Sorra、K. Mukkanti、Srinivas Pusuluri
DOI:10.1016/j.tet.2011.12.032
日期:2012.2
A concise synthesis of enantiopure quinazolino [1,4] benzodiazepine was accomplished by palladium-catalyzed N-arylation of amidines with o-bromobenzoates followed by intra molecular cyclization. The strategy was successfully applied to the total synthesis of pyrrolo quinazolino [1,4] benzodiazepine alkaloids such as circumdatin H, J and other analogues.
对映体纯的喹唑啉代[1,4]苯并二氮杂的简明合成是通过钯与邻溴代苯甲酸酯的N催化N-芳基化,然后进行分子内环化而完成的。该策略已成功应用于吡咯并喹唑啉酮[1,4]苯二氮卓生物碱的全合成,如环丁他汀H,J和其他类似物。