A general synthesis of homochiral β-hydroxy N-acetylcysteamine thioesters
摘要:
A convenient and efficient route for the enantioselective synthesis of functionalised B-hydroxy N-acetyicysteamine thioesters is described. The route allows the facile incorporation of vicinal C-13 labelling to produce intermediates required for biosynthetic studies on a wide range of polyketide metabolites, e.g. 6-MSA, monocerin, colletodiol and strobilurins. (C) 1999 Elsevier Science Ltd. All rights reserved.
Assembly intermediates in polyketide biosynthesis: enantioselective syntheses of β-hydroxycarbonyl compounds
作者:Christine Le Sann、Dulce M. Muñoz、Natalie Saunders、Thomas J. Simpson、David I. Smith、Florilène Soulas、Paul Watts、Christine L. Willis
DOI:10.1039/b419492f
日期:——
versatile approach for the enantioselectivesynthesis of functionalised beta-hydroxy N-acetylcysteamine thiol esters has been developed which allows the facile incorporation of isotopic labels. It has been shown that a remarkable reversal of selectivity occurs in the titanium mediated aldol reaction of acyloxazolidinone using either (S)- or (R)-tert-butyldimethylsilyloxybutanal. The aldol products are valuable