在
Grubbs catalyst first generation 作用下,
以
甲苯 为溶剂,
反应 1.0h,
以75%的产率得到(1R,3R,4R,5S,7S,8R,9S,12R,13R,30R,31R,34S,35R,36S,38S,39R,40R,42R,43S,46R,53R,56S)-3,7,36,40-tetrahydroxy-8,13,30,35,43,56-hexamethyl-17,26,47,52-tetraoxadecacyclo[51.3.1.142,46.04,9.05,56.08,12.019,24.031,35.034,39.038,43]octapentaconta-19,21,23,49-tetraene-18,25-dione