反应 #1844500
相关文献 (1)
openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US07576086B2
反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: First of all, a mixture of 4-chlorobenzylchlorine and piperazine was treated according to the general preparation 1 to obtain N-(4-chlorobenzyl) piperazine dihydrochloride, yield 65%, mp 278-280° C. Then, a mixture of the above product (5 g, 20 mmol), KHCO3 (70 mmol) and 2-bromo-1-phenylpropan-1-one (3.96 ml, 26 mmol) in 40 ml of ethanol was refluxed for 8 hours, and then treated according to the general preparation 2 to obtain 6.1 g of N1-(4-chlorobenzyl)-N4-(1-benzoylethyl) piperazine dihydrochloride, yield 59.51%, mp 260-262° C. Finally, a mixture of above compound (1.5 g, 3.45 mmol) and KBH4 (0.74 g, 14 mmol) was treated according to the general preparation 3 to obtain the title compound, yield 65%, mp. 240° C.). was treated according to the general preparation 1
来源 ID: ord-14b0f798b3ec4665ae3a1d545491450a