(2S,3S)-[1-tert-butoxycarbonyl-3-(4-methoxy-3-vinylphenoxy)prolyl]-isoleucine-prop-1-enylamide 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
1,2-二氯乙烷 为溶剂,
以49%的产率得到tert-butyl (3S,7S,10S,13Z)-10-[(2S)-butan-2-yl]-16-methoxy-8,11-dioxo-2-oxa-6,9,12-triazatricyclo[13.3.1.03,7]nonadeca-1(19),13,15,17-tetraene-6-carboxylate