作者:Marie Kissane、Maureen Murphy、Lorraine M. Bateman、Daniel G. McCarthy、Anita R. Maguire
DOI:10.1016/j.tet.2011.05.041
日期:2011.7
A selective beta-oxidation of a series of alpha-sulfanyl amides to the corresponding beta-oxo-alpha-sulfanyl amides is described. This selective efficient oxidation of an unfunctionalised methyl or methylene group occurs under mild conditions, involving three sequential transformations conducted without isolation of the intermediates. Critically neither the sulfur nor the reactive alpha-CH bond is affected in the overall process. (C) 2011 Elsevier Ltd. All rights reserved.
Maguire Anita R., Murphy Maureen E., Schaeffer Marcel, Ferguson George, Tetrahedron Lett, 36 (1995) N 3, S 467-470
作者:Maguire Anita R., Murphy Maureen E., Schaeffer Marcel, Ferguson George
DOI:——
日期:——
Investigation of the synthetic and mechanistic aspects of the highly stereoselective transformation of α-thioamides to α-thio-β-chloroacrylamides
Treatment of a series of alpha-thioamides with N-chlorosuccinimide results in efficient transformation to the analogous alpha-thio-beta-chloroacrylamides. The mechanistic pathway has been established through isolation and characterisation of intermediate compounds. The scope of the transformation has been explored-aryl and alkylthio substituents, primary, secondary and tertiary amides can be employed
Single step stereospecific transformation of 2-phenylthio secondary amides into (Z)-3-chloro-2-phenylthio acrylamides
作者:Anita R. Maguire、Maureen E. Murphy、Marcel Schaeffer、George Ferguson
DOI:10.1016/0040-4039(94)02288-m
日期:1995.1
α-Phenylthio secondary propanamides 1a-e are converted stereospecifically on treatment with NCS to the analogous (Z)-α-phenylthio-β-chloro propenamides 2a-e. Extension to longer chain secondary amide derivatives 1f-g is also possible, albeit less efficiently and without any appreciable stereoselectivity.