Formation of Enehydrazine Intermediates through Coupling of Phenylhydrazines with Vinyl Halides: Entry into the Fischer Indole Synthesis
作者:Fuxu Zhan、Guangxin Liang
DOI:10.1002/anie.201207173
日期:2013.1.21
Cut to the chase: Direct formation of an enehydrazine, an intermediate in the classic Fischer indole synthesis, solves the regioselectivity problem associated with indolization. This approach not only achieves selective synthesis of indoles through proper selection of the vinyl halide, but also leads to quick construction of desoxyeseroline and esermethole, as well as the key structural motif in the
追逐目标:直接形成烯肼(Fischer吲哚经典合成中的中间体)可解决与吲哚化有关的区域选择性问题。这种方法不仅通过卤乙烯的适当选择实现吲哚的选择性合成,而且导致快速施工desoxyeseroline和esermethole的,以及在关键结构基序Akuammiline生物碱vincorine。