(2R,3S,4S,5R)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-5-(trifluoromethyl)tetrahydrofuran-2-carboxylic acid 、
(1R,2S)-2-(1-Methyl-1H-pyrazol-4-yl)cyclopropan-1-amine 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 (2R,3S,4S,5R)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-N-((1S,2R)-2-(1-methyl-1H-pyrazol-4-yl)cyclopropyl)-5-(trifluoromethyl)tetrahydrofuran-2-carboxamide 、 (2R,3S,4S,5R)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-N-((1R,2S)-2-(1-methyl-1H-pyrazol-4-yl)cyclopropyl)-5-(trifluoromethyl)tetrahydrofuran-2-carboxamide