Acetic acid (3aR,3bS,5S,7R,7aR,8aR)-5-(2-hydroxy-2,2-diphenyl-ethyl)-2,2-dimethyl-hexahydro-[1,3]dioxolo[4,5]furo[3,2-b]pyran-7-yl ester 在
吡啶 、
氯化亚砜 作用下,
以56%的产率得到Acetic acid (3aR,3bS,5S,7R,7aR,8aR)-5-(2,2-diphenyl-vinyl)-2,2-dimethyl-hexahydro-[1,3]dioxolo[4,5]furo[3,2-b]pyran-7-yl ester