Acetic acid (2S,3R,4S,5R)-2-allyl-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-tetrahydro-furan-2-yl ester 在
三苯基膦 作用下,
以95%的产率得到Acetic acid (2S,3R,4S,5R)-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-5-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2-(2-oxo-ethyl)-tetrahydro-furan-2-yl ester