Acetic acid (3aS,4R,9S,9aR)-9-acetoxy-2,2-dimethyl-8-oxo-6-phenethyl-4,8,9,9a-tetrahydro-3aH-[1,3]dioxolo[4,5-g]chromen-4-yl ester 在
三氟乙酸 作用下,
反应 1.0h,
以10 mg的产率得到Acetic acid (5S,6S,7S,8R)-5-acetoxy-6,7-dihydroxy-4-oxo-2-phenethyl-5,6,7,8-tetrahydro-4H-chromen-8-yl ester