Catalytic Enantioselective Cr-Mediated Propargylation: Application to Halichondrin Synthesis
作者:Songbai Liu、Joseph T. Kim、Cheng-Guo Dong、Yoshito Kishi
DOI:10.1021/ol9016595
日期:2009.10.15
Amano-lipase, this method provides a practical synthesis of optically pure 8 on a multigram scale. With maintenance of its optical purity, 8 has been converted to 1b, the C14−C19 building block of halichondrins and E7389, in two steps.