Acetic acid (1S,5R,6S)-5-hydroxy-4-hydroxymethyl-2-oxo-7-oxa-bicyclo[4.1.0]hept-3-en-3-ylmethyl ester 在
sodium tetrahydroborate 、 cerium(III) chloride 作用下,
以
甲醇 为溶剂,
以85%的产率得到Acetic acid (1R,2S,5R,6S)-2,5-dihydroxy-4-hydroxymethyl-7-oxa-bicyclo[4.1.0]hept-3-en-3-ylmethyl ester