(2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (3S,4R)-3-[2-(2-isopropyl-5-methyl-cyclohexyloxy)-acetoxy]-7-methoxy-2,2-dimethyl-chroman-4-yl ester 在
4-二甲氨基吡啶 lithium aluminium tetrahydride 作用下,
以
四氢呋喃 、
吡啶 为溶剂,
反应 25.0h,
生成
(3R,4S)-7-methoxy-2,2-dimethylchromane-3,4-diyl bis(4-(dimethylamino)benzoate)