4-cyclohexyl-3,4-dimethyl-1H-pyrazol-5(4H)-one 、
4-(溴乙酰基)吡啶氢溴酸盐 以to obtain the desired 4-cyclohexyl-3,4-dimethyl-1-(2-oxo-2-(pyridin-4-yl)ethyl)-1H-pyrazol-5(4H)-one (21.7 mg, 14%) as a white powder的产率得到4-cyclohexyl-3,4-dimethyl-1-(2-oxo-2-(pyridin-4-yl)ethyl)-1H-pyrazol-5(4H)-one