(5R,7S)-5-(4-ethylphenyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid 、
O-(7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 、
N,N-二异丙基乙胺 、
(5-氟吡啶-2-基)甲胺 、
盐酸 在
(5R,7S)-5-(4-ethylphenyl)-N-((5-fluoropyridin-2-yl)methyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide 作用下,
以The title compound (221 mg, 0.494 mmol, 80%) was obtained as an off-white solid的产率得到(5R,7S)-5-(4-ethylphenyl)-N-((5-fluoropyridin-2-yl)methyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide