5-(4-methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[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 、
(3R)-3-methyl-1-[(1R)-1-phenylethyl]piperazine 在
silica gel 作用下,
以
heptanes 、
乙酸乙酯 为溶剂,
以to afford the title compound after column chromatography (silica gel, 30-50% EtOAc in heptanes) as a vitreous yellow solid的产率得到[5-(4-Methoxyphenyl)-6-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-3-yl][(2R)-2-methyl-4-[(1R)-1-phenylethyl]-1-piperazinyl]methanone