N-(24-iodo-5β-cholane-7α,12α-diol 7,12-diacetate)-N'-(3'β-iodo-5'β-cholane-7'α,12'α-diol 7',12'-diacetate)-3α,24'-oxamide 在
sodium azide 、
溶剂黄146 作用下,
以
N-甲基吡咯烷酮 为溶剂,
以93%的产率得到N-(24-azido-5β-cholane-7α,12α-diol 7,12-diacetate)-N'-(3'β-azido-5'β-cholane-7'α,12'α-diol 7',12'-diacetate)-3α,24'-oxamide