3-(2,4-dichloro-phenyl)-6-ethyl-2methyl-pyrazolo[5,1-b]oxazole-7-carboxylic acid 、
N-丙基环丙甲胺 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
N,N-二甲基甲酰胺 为溶剂,
生成
3-(2,4-Dichloro-phenyl)-6-ethyl-2-methyl-pyrazolo[5,1-b]oxazole-7-carboxylic acid cyclopropylmethyl-propyl-amide