Application of Arene−Ruthenium Chemistry to a Formal Total Synthesis of OF 4949 III
作者:Anthony J. Pearson、Penglie Zhang、Kieseung Lee
DOI:10.1021/jo960956l
日期:1996.1.1
A convergent formal total synthesis of OF 4949 III is described. Arene-ruthenium chemistry was used in the construction of the diarylether linkage in high yield, and cycloamidation under high dilution conditions (0.005 M) was achieved using DPPA as coupling reagent. SmI(2) was used to reductively remove the 2-iodoethyl ester protecting group in the presence of DMPU or HMPA.