2-(4-Bromo-2-fluorophenyl)-7-ethylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid 、
hydrogen (R)-4-methyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 在
(1-cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylaminomorpholinocarbenium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 18.0h,
以81%的产率得到[2-(4-bromo-2-fluorophenyl)-7-ethylpyrazolo[1,5-a]pyrimidin-5-yl]-[(4R)-4-methyl-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]methanone