Enantioselective Aza-Heck Cyclizations of N-(Tosyloxy)carbamates: Synthesis of Pyrrolidines and Piperidines.

Xiaofeng Ma,Ian R Hazelden,Thomas Langer,Rachel H Munday,John F Bower

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY（2019）

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摘要

Pd(0)-systems modified with SPINOL-derived phosphoramidate ligands promote highly enantio-selective aza-Heck cyclizations of alkenyl N-(tosyloxy)-carbamates. The method provides versatile access to challenging N-heterocycles and represents the broadest scope enantioselective aza-Heck protocol developed to date.

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关键词

piperidines,pyrrolidines,synthesis,aza-heck

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