(3aR,4R,9R,9aR,9bS)-4-(hydroxymethyl)-9-(methoxymethoxy)spiro[4,7,8,9,9a,9b-hexahydro-3aH-[1,3]dioxolo[4,5-a]indolizine-2,1'-cyclohexane]-6-one 在
dimethyl sulfide borane 、
四丁基碘化铵 、 sodium hydride 作用下,
以
四氢呋喃 为溶剂,
生成
(3aR,4R,9R,9aR,9bS)-9-(methoxymethoxy)-4-(phenylmethoxymethyl)spiro[3a,4,6,7,8,9,9a,9b-octahydro-[1,3]dioxolo[4,5-a]indolizine-2,1'-cyclohexane]