[(1S,2S,3R,4S,6R)-3-[[(4aR,6S,7R,8R,8aS)-8-benzoyloxy-2-phenyl-7-(phenylmethoxycarbonylamino)-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-2-[(2S,3R,4R,5R)-4-benzoyloxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3-prop-2-enoxyoxolan-2-yl]oxy-4,6-bis(phenylmethoxycarbonylamino)cyclohexyl] benzoate 在
臭氧 、
二甲基硫 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以80%的产率得到[(1S,2S,3R,4S,6R)-3-[[(4aR,6S,7R,8R,8aS)-8-benzoyloxy-2-phenyl-7-(phenylmethoxycarbonylamino)-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-2-[(2S,3R,4R,5R)-4-benzoyloxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-3-(2-oxoethoxy)oxolan-2-yl]oxy-4,6-bis(phenylmethoxycarbonylamino)cyclohexyl] benzoate