Enantioselective synthesis of a putative hexaketide intermediate in the biosynthesis of the squalestatins
作者:Thomas J. Simpson、Robert W. Smith、Susan M. Westaway、Christine L. Willis、Antony D. Buss、Richard J.P. Cannell、Michael J. Dawson、Brian A.M. Rudd
DOI:10.1016/s0040-4039(97)01174-x
日期:1997.7
A convergent synthesis of (3R, 5Z, 8E, 10R)-3-hydroxy-8,10-dimethyl-11-phenylundec-5,8-dienoic acid 4, a putative hexaketide intermediate in the biosynthesis of the squalestatins, is described. A key step in the assembly of the carbon framework is the coupling of alkyne 19 with allylic bromide 13 giving, after further functional group manipulations, the target compound as a single diastereomer. The