反应 #2202709
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openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US04492698
反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: 14.3 g (0.05 mole) of 1-cyclohexanecarbonyl-4-benzylpiperazine dissolved in 250 ml of ethanol and acidified with conc. HCl was treated with hydrogen over a palladium catalyst at 1500 psi and 100° C. The catalyst was removed by filtration and the solvent removed under reduced pressure. The residue was dissolved in isopropanol. On short standing a white crystalline precipitate appeared which was collected by filtration to give 10.0 g of 1-cyclohexanecarbonylpiperazine hydrochloride. The catalyst was removed by filtration the solvent removed under reduced pressure The residue was dissolved in isopropanol was collected by filtration
来源 ID: ord-851606e24c71421794b1a3af844c8fae