对甲苯磺酸 、
Acetic acid (1aS,5S,7R,7bR)-5-hydroxy-3,3,5,7b-tetramethyl-6-oxo-1a,2,3,4,5,6,7,7b-octahydro-1H-cyclopropa[e]azulen-7-yl ester 以
苯 为溶剂,
反应 0.08h,
以53.4 mg的产率得到Acetic acid (E)-(1R,7S)-3,5,5,9-tetramethyl-2-oxo-7-(toluene-4-sulfonyloxy)-2,4,5,6,7,8-hexahydro-1H-cyclopentacycloocten-1-yl ester