(2,3-二氢-1H-茚-5-基)肼盐酸盐 、
乙酰乙酸乙酯 在
silica gel 、
1-(2,3-dihydro-1H-inden-5-yl)-3-methyl-1H-pyrazol-5(4H)-one 作用下,
以
溶剂黄146 为溶剂,
反应 16.0h,
以to obtain the title compound 2-indan-5-yl-5-methyl-2,4-dihydro-pyrazol-3-one 1i (1.84 g, yield 62.3%) as a yellow solid的产率得到1-(2,3-dihydro-1H-inden-5-yl)-3-methyl-1H-pyrazol-5(4H)-one