(-)-(3S,4R,5R,6R)-3-(3',4',5'-trimethoxy-α-hydroxybenzyl)-4-<3'',4''-methylenedioxy-α,α-bis(phenylthio)benzyl>-5-(1-menthyloxy)butyrolactone 在
sodium tetrahydroborate 、 nickel dichloride 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以92%的产率得到(-)-(3S,4R,5R,6R)-3-(3',4',5'-trimethoxy-α-hydroxybenzyl)-4-<3'',4''-methylenedioxybenzyl>-5-(1-menthyloxy)butyrolactone