4-(bicyclo[2.2.1]heptan-2-yl)-3,4-dimethyl-1H-pyrazol-5(4H)-one 、
2-氯-1-(1H-吡咯-2-基)-乙酮 以to obtain the desired 4-((1R,2S,4S)-bicyclo[2.2.1]heptan-2-yl)-3,4-dimethyl-1-(2-oxo-2-(1H-pyrrol-2-yl)ethyl)-1H-pyrazol-5(4H)-one (17.4 mg, 3%) as a white powder的产率得到4-((1R,2S,4S)-bicyclo[2.2.1]heptan-2-yl)-3,4-dimethyl-1-(2-oxo-2-(1H-pyrrol-2-yl)ethyl)-1H-pyrazol-5(4H)-one