Synthesis of 2,5-difunctionalised-3,3-dimethylpiperidines via ω-halogenated imines
作者:Christian V Stevens、Maria Peristeropoulou、Norbert De Kimpe
DOI:10.1016/s0040-4020(01)00762-1
日期:2001.9
2,5-Difunctionalised-3,3-dimethylpiperidines were prepared by addition of nucleophiles to piperideinium salts, formed by electrophile-induced cyclisation of gamma,delta -unsaturated imines with N-bromosuccinimide in alcoholic medium. (C) 2001 Elsevier Science Ltd. All rights reserved.