Acetic acid (2R,3R,4S,5R,6S)-3,5-diacetoxy-2-acetoxymethyl-6-{2-[(2R,6S)-4-(tert-butyl-dimethyl-silanyloxy)-6-methoxy-3,6-dihydro-2H-pyran-2-yl]-phenoxy}-tetrahydro-pyran-4-yl ester 在
三氟乙酸 作用下,
以82%的产率得到Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[2-((R)-4-oxo-3,4-dihydro-2H-pyran-2-yl)-phenoxy]-tetrahydro-pyran-3-yl ester