(S)-2-Chloro-butyric acid (1S,2R,4R)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以87%的产率得到(R)-2-Azido-butyric acid (1S,2R,4R)-1-[(dicyclohexylsulfamoyl)-methyl]-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester