(2R,3R,4S,5R)-2-(tert-Butoxycarbonylamino-methyl)-3,4-dihydroxy-5-iodo-piperidine-1-carboxylic acid tert-butyl ester 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以80%的产率得到(2R,3R,4R,5S)-5-Azido-2-(tert-butoxycarbonylamino-methyl)-3,4-dihydroxy-piperidine-1-carboxylic acid tert-butyl ester