Abstract
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.
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