Benzo[1,3]dioxol-5-yl-(tert-butyl-dimethyl-silanyloxy)-{(2R,3S,4S)-4-[(R)-(3,4-dimethoxy-phenyl)-hydroxy-methyl]-2-methoxy-5-oxo-tetrahydro-furan-3-yl}-acetonitrile 在
四丁基氟化铵 作用下,
以
二氯甲烷 、
溶剂黄146 为溶剂,
生成
(3S,4R,5R)-4-(Benzo[1,3]dioxole-5-carbonyl)-3-[(R)-(3,4-dimethoxy-phenyl)-hydroxy-methyl]-5-methoxy-dihydro-furan-2-one