ethyl (2E)-3-(5-benzyloxy-1-isopropyl-1H-pyrazol-3-yl)propenoate 在
palladium-carbon
氢气 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以to give ethyl 3-(4,5-dihydro-1-isopropyl-5-oxo-1H-pyrazol-3-yl)propionate as a yellow oil (1.97 g, yield 99%)的产率得到ethyl 3-(4,5-dihydro-1-isopropyl-5-oxo-1H-pyrazol-3-yl)propionate