4-[(4-{[(tert-butoxy)carbonyl]amino}piperidin-1-yl)methyl]benzoic acid 、 O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 在
N,N-二异丙基乙胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 4.0h,
以42%的产率得到Benzotriazol-1-yl 4-[[4-[(2-methylpropan-2-yl)oxycarbonylamino]piperidin-1-yl]methyl]benzoate