Acetic acid (1R,2S,3R,4R,6S,7R)-4-acetoxy-1-(allyl-dimethyl-silanyl)-7-benzyloxymethyl-3,7-dimethyl-bicyclo[4.1.0]hept-2-yl ester 在
溴 、
氟化氢吡啶 作用下,
生成
Acetic acid (3aR,3bS,5R,6R,7S,7aR)-5-acetoxy-1,1,3a,6-tetramethyl-hexahydro-2-oxa-1-sila-cyclopenta[1,3]cyclopropa[1,2]benzen-7-yl ester