A facile, water mediated, microwave-assisted synthesis of 4,6-diaryl-2,3,3a,4-tetrahydro-1H-pyrido[3,2,1-jk]carbazoles by a domino Fischer indole reaction–intramolecular cyclization sequence
作者:Selvam Chitra、Nidhin Paul、Shanmugam Muthusubramanian、Paramasivam Manisankar
DOI:10.1039/c1gc15483d
日期:——
benign, facile and efficient synthesis of a series of 4,6-diaryl-2,3,3a,4-tetrahydro-1H-pyrido[3,2,1-jk]carbazoles was achieved in water with good yield by the reaction of diastereomerically pure 2-(3-oxo-1,3-diarylpropyl)-1-cyclohexanones with phenylhydrazine hydrochloride under microwave irradiation. The transformation presumably proceeds via a domino Fischer indole reaction–intramolecular cyclisation
一系列的4,6-二芳基-2,3,3a,4-四氢-1 H-吡啶并[3,2,1- jk ]咔唑的环境友好,简便而有效的合成得以实现。水 非对映体纯的2-(3-氧代-1,3-二芳基丙基)-1-环己酮与 盐酸苯肼在微波照射下。这种转变大概是通过多米诺菲舍尔(Domino Fischer)进行的吲哚 反应-分子内 环化 顺序。