Acetic acid (3R,4S)-4-{2-[6-methoxy-3,4-dihydro-2H-naphthalen-(1E)-ylidene]-ethyl}-4-methyl-5-oxo-tetrahydro-thiopyran-3-yl ester 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 0.5h,
以26.5 mg的产率得到Acetic acid (3R,4R,5R)-5-hydroxy-4-{2-[6-methoxy-3,4-dihydro-2H-naphthalen-(1E)-ylidene]-ethyl}-4-methyl-tetrahydro-thiopyran-3-yl ester