Acetic acid (1R,2R,4R,5R,6R)-4-acetoxymethyl-2-(dimethoxy-phosphoryl)-3,7-dioxa-bicyclo[4.1.0]hept-5-yl ester 在
sodium methylate 作用下,
反应 0.5h,
以67%的产率得到Acetic acid (2R,3S,4S)-2-acetoxymethyl-6-(dimethoxy-phosphoryl)-4-hydroxy-3,4-dihydro-2H-pyran-3-yl ester