Novel routes to indoles, indolines, quinolines and tetrahydroquinolines from N-(Cyclohexylidene)amines
作者:Norbert De Kimpe、Marian Keppens
DOI:10.1016/0040-4020(96)00046-4
日期:1996.3
and (e) dehydrochlorination and/or dehydrogenation. Appropriate choice of the reaction conditions selectively led the reactions to indoles, 7-chloroindoles, 7-chloroindolines, 4,5,6,7-tetrahydroindoles, 8-chloro-1,2,3,4-tetrahydroquinolines, 8-chloroquinolines or quinolines.
通过一系列反应,环己酮已被转化为多种具有不同氧化水平的双环氮杂杂环,这些反应包括:(a)酰亚胺化,(b)用N,N-二甲硅烷基保护的ω-溴胺进行α-烷基化,(c)酰亚胺化,(d )所得双环亚胺的α-氯化和(e)脱氯化氢和/或脱氢。的反应条件适当选择选择性地导致所述反应的吲哚,7- chloroindoles,7- chloroindolines,4,5,6,7- tetrahydroindoles,8-氯-1,2,3,4-四氢喹啉,8-氯喹啉或喹啉。