(20S,1'R,2'R)-2α,3α,1',2'-tetrahydroxy-20-(4',4',5',5',6',6',7',7',8',8',9',9',9'-tridecafluoronon-1'-yl)-5α-pregnan-6-one 在
三氟过氧乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以62%的产率得到(20S,1'R,2'R)-2α,3α,1',2'-tetrahydroxy-7-oxa-7a-homo-20-(4',4',5',5',6',6',7',7',8',8',9',9',9'-tridecafluoronon-1'-yl)-5α-pregnan-6-one