1-[4-(2-AMINOPHENYL)PIPERAZIN-1-YL]ETHANONE synthesis
- Product Name:1-[4-(2-AMINOPHENYL)PIPERAZIN-1-YL]ETHANONE
- CAS Number:91646-45-6
- Molecular formula:C12H17N3O
- Molecular Weight:219.28
100138-76-9
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Yield:91646-45-6 100%
Reaction Conditions:
with palladium on activated charcoal;hydrogen in ethanol at 35 - 40; under 2068.65 Torr; for 3 h;
Steps:
1.2
2-acetyl-piperazinylnitrobenzene (24.9 g, 0.1 mol) was added to ethanol (250 ml), and stirred until clarification. A wet palladium/carbon (1.12 g) was added, and hydrogenated (35 to 40° C., 40 psi) for 3 h. The reaction system was cooled to room temperature, and filtered to remove palladium/carbon. The filter cake was washed with ethanol (30 ml), and the filtrate was merged, and concentrated to dry under reduced pressure. Then, a pale yellow solid of 22.0 g was obtained, and the yield was 100%; MS+=220.3.
References:
US2017/88530,2017,A1 Location in patent:Paragraph 0034-0035
1493-27-2
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