764662-20-6Relevant articles and documents
An unexpected ring contraction of two nitroaryl pro-drugs: conversion of N-(nitroaryl)-3-chloropiperidine derivatives into N-(nitroaryl)-2-chloromethylpyrrolidines
Burke, Philip J.,Wong, Lai Chun,Clegg, William,Harrington, Ross W.,Jenkins, Terence C.,Knox, Richard J.,Meikle, Ian T.,Stanforth, Stephen P.
body text, p. 3918 - 3921 (2010/08/20)
Treatment of the N-nitroaryl-3-hydroxypiperidine derivatives 12 and 13 with thionyl chloride afforded the corresponding N-aryl-2-chloromethylpyrrolidines 5 and 15 via a ring-contraction process involving an intermediate aziridinium ion.