(3E,5R,6S,7R)-5-benzyloxy-3-chloro-1,2-epoxy-6-hydroxy-7,8-O-isopropylideneocta-3-ene 在
甲醇 、
sodium 作用下,
反应 48.0h,
生成 [(2S,3R,6R,4'R)-2,3-dihydro-2-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-3-benzyloxy-5-chloro-6H-pyran-6-yl]methanol 、
[(2S,3R,6S,4'R)-2,3-dihydro-2-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-3-benzyloxy-5-chloro-6H-pyran-6-yl]methanol