(5,5-dimethyl-3-oxo-1-(2,4,6-trimethylbenzene-sulfonyl)piperazin-2(R,S)-yl)acetic acid 、
二苯甲胺 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
生成
N-Benzhydryl-2-[5,5-dimethyl-3-oxo-1-(2,4,6-trimethyl-benzenesulfonyl)-piperazin-2(R,S)-yl]-acetamide