cis-7-(difluoromethyl)-5-(4-ethylphenyl)-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 、
3,4-亚甲二氧基苄胺 在
(5R,7S)-N-(benzo[d][1,3]dioxol-5-ylmethyl)-7-(difluoromethyl)-5-(4-ethylphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide 作用下,
以The title compound (52.6 mg, 0.116 mmol, 37%) was obtained as a white solid的产率得到(5R,7S)-N-(benzo[d][1,3]dioxol-5-ylmethyl)-7-(difluoromethyl)-5-(4-ethylphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide