在
1,3-dichloro-1,1,3,3-tetrabutylstannoxane 、
溴 作用下,
以
乙醚 为溶剂,
反应 12.25h,
生成 (2S,3S,2'S,5'S)-3-dimethoxymethyl-2',5'-dimethoxy-3,4,2',5'-tetrahydro-2H-2,2'-bifuranyl-5-one 、
(2S,3S,2'S,5'R)-3-dimethoxymethyl-2',5'-dimethoxy-3,4,2',5'-tetrahydro-2H-2,2'-bifuranyl-5-one 、
(2S,3S,2'R,5'S)-3-dimethoxymethyl-2',5'-dimethoxy-3,4,2',5'-tetrahydro-2H-2,2'-bifuranyl-5-one