Synthesis of the C(1)−C(18) Segment of Lophotoxin and Pukalide. Control of 2-Alkenylfuran (<i>E</i>/<i>Z</i>)-Configuration
作者:Peter Wipf、Michael J. Soth
DOI:10.1021/ol025861m
日期:2002.5.1
[reaction: see text] The convergent synthesis of the fully functionalized C(1)-C(18) segment 24 of the furanocembranes lophotoxin and pukalide was accomplished in 11 steps and 10% overall yield. The key step was a stereoselective conversion of alkynoate 21 to trimethylsilyl 2-alkenylfuran 22.