(2R,3S,4S,5R)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-5-(trifluoromethyl)tetrahydrofuran-2-carboxylic acid 、
3-Amino-1H-pyrrolo[2,3-c]pyridin-7-ol 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,
以12 mg的产率得到(2R,3S,4S,5R)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-N-(7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-3-yl)-5-(trifluoromethyl)tetrahydrofuran-2-carboxamide