(R,S)-N2-(Diphenylacetyl)-N6-[(phenylmethoxy)-carbonyl]-lysine 、
4-羟基苄胺 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 作用下,
以88%的产率得到(R,S)-N2-(Diphenylacetyl)-N-[(4-hydroxyphenyl)-methyl]-N6-[(phenylmethoxy)carbonyl]-lysinamide