(R)-5-methanesulfonic acid 2-oxo-3-(6-oxo-6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)-oxazolidin-5-ylmethyl ester 在
sodium azide 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 5.0h,
以86%的产率得到(R)-5-azidomethyl-3-(6-oxo-6,7,8,9-tetrahydro-5H-benzocyclohepten-2-yl)-oxazolidin-2-one