5-Acetoxy-6-[1-(tert-butyldimethylsilyloxy)methyl-2-propenyl]-8-methylcarbostyril 、 、
Disodium;sulfite 在
氯化钠 、
Sodium sulfate-III 、 resultant residue 、
氯仿 、 crystals 作用下,
以
氯仿 为溶剂,
反应 1.5h,
以As a result, 6.10 g of the title compound (mixtures of diastereomers, 3:1) was obtained as colorless powdery crystals (97.8%)的产率得到5-Acetoxy-6-[1-(tert-butyldimethylsilyloxy)methyl-2,3epoxypropyl]-8-methylcarbostyril