(S)-2-((1-methyl-2-oxo-6-(2-oxoethyl)-1,2,3,4,5,6-hexahydrobenzo[b][1,4]diazocin-3-yl)amino)-6-methyl-4-(trifluoromethyl)nicotinonitrile 、
(E)-1-(2,6-diazaspiro[3.3]heptan-2-yl)-4-(dimethylamino)but-2-en-1-one 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
二氯甲烷 为溶剂,
生成 (S,E)-2-((6-(2-(6-(4-(dimethylamino)but-2-enoyl)-2,6-diazaspiro[3.3]heptan-2-yl)ethyl)-1-methyl-2-oxo-1,2,3,4,5,6-hexahydrobenzo[b][1,4]diazocin-3-yl)amino)-6-methyl-4-(trifluoromethyl)nicotinonitrile