Se-phenyl 2-[(2R,3S,5R,6S)-3-[(Z)-3-[(2R,4aR,6S,7R,8aS)-7-[tert-butyl(dimethyl)silyl]oxy-2-(4-methoxyphenyl)-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]prop-1-enoxy]-5-phenylmethoxy-6-(phenylmethoxymethyl)oxan-2-yl]ethaneselenoate 在
三乙基硼 、
tributylgermanium hydride 作用下,
以
四氢呋喃 、
甲苯 为溶剂,
以78%的产率得到(2R,4aR,6S,7R,8aS)-2-[2-[(2R,4aR,6S,7R,8aS)-7-[tert-butyl(dimethyl)silyl]oxy-2-(4-methoxyphenyl)-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]ethyl]-7-phenylmethoxy-6-(phenylmethoxymethyl)-4,4a,6,7,8,8a-hexahydropyrano[3,2-b]pyran-3-one