(4R)-4-allyl-4-demethyl-26-(acryloyloxy)epothilone D 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
以40%的产率得到[(1S,5S,7E,12S,13S,14R,16R)-13-hydroxy-12,14,16-trimethyl-5-[(E)-1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-3,15,18-trioxo-4,19-dioxabicyclo[14.3.0]nonadec-7-en-8-yl]methyl prop-2-enoate