Modular Synthesis of the C9−C27 Degradation Product of Aflastatin A via Alkyne−Epoxide Cross-Couplings
作者:Omar Robles、Frank E. McDonald
DOI:10.1021/ol800659z
日期:2008.5.1
A modular approach to the synthesis of complex polyketide natural products is demonstrated for the synthesis of the C9-C27 degradationproduct from aflastatin A. The product of the cross-coupling of C23-C27 terminal alkyne with C17-C22 epoxide underwent functionalization of the resulting internal alkyne, which was then coupled similarly with C9-C16 epoxide. This synthesis concluded with regio- and