Synthesis of 3,3-Dichloropiperidines and Further Functionalization via Pd-Catalyzed Cross-Coupling Reactions of the Dichloromethylene Moiety
作者:Wim E. Van Beek、Robert J. Smets、Khushbu Kushwaha、Wouter A. Herrebout、Kourosch Abbaspour Tehrani
DOI:10.1002/ejoc.201801613
日期:2019.1.10
Reduction or alkynylation of α,α,δ‐trichloroaldimines forms in situ piperidines via ring closure. The presence of the dichloromethylene group allows for Pd‐catalyzed cross‐coupling reactions via vinyl chloride intermediates.
α,α,δ-三氯亚胺的还原或炔基化通过闭环形成原位哌啶。二氯亚甲基的存在允许通过氯乙烯中间体进行Pd催化的交叉偶联反应。