[6-benzyloxy-7-(2-benzyloxy-ethyl)-3-hydroxy-7-methyl-decahydro-1,8,10-trioxa-anthracen-2-yl]-acetic acid 5-(4-methoxy-benzyloxy)-6-[2-(4-methoxy-benzyloxy)-ethyl]-2,6-dimethyl-2-vinyl-tetrahydro-pyran-3-yl ester 在
Grubbs catalyst first generation 作用下,
以
苯 为溶剂,
生成 tert-butyl-[2-[(1S,3R,5S,7R,8S,10R,13S,15R,17S,19R,21S,22R,24S,26R)-7-[(4-methoxyphenyl)methoxy]-8,10,22-trimethyl-21-phenylmethoxy-22-(2-phenylmethoxyethyl)-4,9,14,18,23,27-hexaoxahexacyclo[13.12.0.03,13.05,10.017,26.019,24]heptacos-11-en-8-yl]ethoxy]-diphenylsilane