(S)-3-氨基-5-甲基-2,3-二氢苯并[B][1,4]氧氮杂卓-4(5H)-酮 、
1,4,4a,5,5a,6-hexahydrocyclopropa[f]indazole-3-carboxylic acid 在
N,N-二异丙基乙胺 、 ((3H-[1,2,3]triazolo[4,5-b]pyridin-3-yl)oxy)tri(pyrrolidin-1-yl)phosphonium hexafluorophosphate(V) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 N-((S)-5-methyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)-1,4,4a,5,5a,6-hexahydrocyclopropa[f]indazole-3-carboxamide