benzyl N-(1-amino-4,4-difluoro-2-methylbutan-2-yl)carbamate 、 7-[(2,6-difluorobenzyl)oxy]-2,5-dimethylpyrazolo[1,5-a]pyridine-3-carboxylic acid 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 1.33h,
生成 benzyl {1-[({7-[(2,6-difluorobenzyl)oxy]-2,5-dimethylpyrazolo[1,5-a]pyridin-3-yl}carbonyl)amino]-4,4-difluoro-2-methylbutan-2-yl}carbamate