Co-catalyst enhancement of enantioselective PTC Michael additions involving glycine imines
作者:Barry Lygo、Christopher Beynon、Christopher Lumley、Michael C. McLeod、Charles E. Wade
DOI:10.1016/j.tetlet.2009.02.123
日期:2009.7
In this Letter we demonstrate that the Use of 2,41,6-trimethylphenol (mesitol) as a co-catalyst facilitates highly enantioselective addition of benzophenone glycine imine tert-butyl ester to a range of Michael acceptors. (C) 2009 Elsevier Ltd. All rights reserved.