Cis-5-(4-ethylphenyl)-7-methyl-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 、
4-甲氧基苄胺 在
(5R,7R)-5-(4-ethylphenyl)-N-(4-methoxybenzyl)-7-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide 作用下,
以The title compound (93 mg, 0.230 mmol, 73%) was obtained as a white solid的产率得到(5R,7R)-5-(4-ethylphenyl)-N-(4-methoxybenzyl)-7-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide