(1S,2R,3R,5R,6S)-2-azido-3-hydroxy-bicyclo [3.1.0]hexane-2,6-dicarboxylic acid 2-benzyl ester 6-ethyl ester 、 在
二氯甲烷 作用下,
以
二氯甲烷 为溶剂,
反应 20.0h,
以to yield (1S,2R,5R,6S)-2-azido-3-oxo- bicyclo[3.1.0]hexane-2,6-dicarboxylic acid 2-benzyl ester 6-ethyl ester (IX-1) (746 mg, 78%) as a white solid的产率得到(1S,2R,5R,6S)-2-azido-3-oxo-bicyclo[3.1.0]hexane-2,6-dicarboxylic acid 2-benzyl ester 6-ethyl ester