Acetic acid 4-methyl-2-oxo-3-((E)-pent-3-enyl)-cyclohex-3-enyl ester 在
zinc(II) tetrahydroborate 作用下,
以
乙醚 为溶剂,
生成 Acetic acid (1S,2S)-2-hydroxy-4-methyl-3-((E)-pent-3-enyl)-cyclohex-3-enyl ester 、 Acetic acid (1R,2S)-2-hydroxy-4-methyl-3-((E)-pent-3-enyl)-cyclohex-3-enyl ester