(1'S,2'R,4'S,2E,4E)-5-(1',2'-Epoxy-4'-pivaloyloxy-2',6',6'-trimethylcyclohexyl)-3-methylpenta-2,4-diensaeure-methylester 在
sodium tetrahydroborate 、 lithium bromide 作用下,
以
二乙二醇二甲醚 为溶剂,
反应 2.0h,
以72%的产率得到(1'S,2'R,4'S,2E,4E)-5-(1',2'-Epoxy-4'-hydroxy-2',6',6'-trimethylcyclohexyl)-3-methylpenta-2,4-diensaeure-methylester