(1S,2R,3R,5R,6S)-2-azido-3-hydroxy-bicyclo[3.1.0]hexane-2,6-dicarboxylic acid dimethyl ester 、 在
pyridinium chlorochromate 、 silica gel 、
ethyl acetate n-hexane 作用下,
以
二氯甲烷 为溶剂,
反应 48.0h,
以the pure (1S,2R,5R,6S)-2-azido-3-oxo-bicyclo[3.1.0]hexane-2,6-dicarboxylic dimethyl ester (XIII) was obtained by silica gel column chromatography with hexane/EtOAc 2:1 as a white solid (152 mg, 64%)的产率得到(1S,2R,5R,6S)-2-azido-3-oxo-bicyclo[3.1.0]hexane-2,6-dicarboxylic dimethyl ester