在
Grubbs catalyst first generation 作用下,
以
甲苯 为溶剂,
反应 1.0h,
以82%的产率得到(1R,3R,4R,5S,7S,8R,9S,12R,13S,22S,23R,26S,27R,28S,30S,31R,32R,34R,35S,38R,49R,52S)-3,7,28,32-tetrahydroxy-8,13,22,27,35,52-hexamethyl-15,20,39,48-tetraoxadecacyclo[47.3.1.134,38.04,9.05,52.08,12.023,27.026,31.030,35.041,46]tetrapentaconta-17,41,43,45-tetraene-40,47-dione