agents, mediated by benzyne generated in situ, under optimized conditions, is described. Following the developed protocol, rare C4a-arylsubstituted indeno[2,1-b]pyridones, resembling the core of haouamine, were obtained. The protocol offering the one-pot synthesis directly from 2-pyridone is also described.
使用R 3 MgLi类型的菱
镁酸酯作为亲核试剂,可高效,短时间地合成顺式稠合的
茚并[ 2,1- b ]-和
茚并[1,2 - c ]
吡啶-2-酮,从2-
吡啶酮开始描述了在优化条件下由原位生成的苯并介导的去质子化剂。按照已开发的方案,获得了罕见的C4a-芳基取代的
茚并[2,1- b ]
吡啶酮,类似于蒿胺的核心。还描述了直接从2-
吡啶酮提供一锅合成的方案。