tert-butyl 2-[(1S,2R,3R,4S)-4-[(E)-2-[5-(2-cyanophenyl)pyridin-2-yl]ethenyl]-2,3-dimethyl-6-oxocyclohexyl]acetate 在
甲醇 、 sodium tetrahydroborate 、
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 2.67h,
生成 2-[6-[(E)-2-[(3aS,4R,5R,6S,7aR)-4,5-dimethyl-2-oxo-3a,4,5,6,7,7a-hexahydro-3H-1-benzofuran-6-yl]ethenyl]pyridin-3-yl]benzonitrile 、 2-[6-[(E)-2-[(3aS,4R,5R,6S,7aS)-4,5-dimethyl-2-oxo-3a,4,5,6,7,7a-hexahydro-3H-1-benzofuran-6-yl]ethenyl]pyridin-3-yl]benzonitrile