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Chemical and Biochemical Engineering Quarterly, Vol.31 No.4 Siječanj 2018.

Izvorni znanstveni članak
https://doi.org/10.15255/CABEQ.2017.1077

Reductive Amination of 1-Hydroxy-2-propanone Over Nickel and Copper Catalysts

T. Trégner ; Department of Organic Technology, University of Chemistry and Technology Prague, Technická 5, 166 28 Praha 6, Czech Republic
J. Trejbal   ORCID icon orcid.org/0000-0002-4461-638X ; Department of Organic Technology, University of Chemistry and Technology Prague, Technická 5, 166 28 Praha 6, Czech Republic
N. Ruhswurmová ; Department of Organic Technology, University of Chemistry and Technology Prague, Technická 5, 166 28 Praha 6, Czech Republic
M. Zapletal ; Department of Organic Technology, University of Chemistry and Technology Prague, Technická 5, 166 28 Praha 6, Czech Republic

Puni tekst: engleski, pdf (3 MB) str. 455-470 preuzimanja: 32* citiraj
APA
Trégner, T., Trejbal, J., Ruhswurmová, N., Zapletal, M. (2017). Reductive Amination of 1-Hydroxy-2-propanone Over Nickel and Copper Catalysts. Chemical and Biochemical Engineering Quarterly, 31(4). doi:10.15255/CABEQ.2017.1077

Sažetak
The one-step reductive amination of 1-hydroxy-2-propanone (acetol) with ammonia to 2-aminopropanol (2-APOL) over commercial nickel and copper catalysts has been studied in the continuous fixed-bed reactor at the temperature from 130 to 220 °C and different molar ratios of reactants. It was found that the optimal molar ratios of H2/acetol and H2/NH3 regarding the selectivity of 2-APOL were 25 and 1, respectively. The highest selectivity of approx. 45 % to desired 2-APOL at total conversion of acetol was achieved in the presence of the nickel catalyst. Major by-products of amination were cis and trans
isomers of 2,5- and 2,6-dimethylpiperazines. Mechanism of the formation of these and other detected and/or potential by-products is discussed. So far, unpublished mass spectra of identified by-products, such as N-substituted dimethylpiperazines or various aminoalcohols,
are reported in this paper.






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Ključne riječi
2-aminopropanol; 1-hydroxy-2-propanone; reductive amination; dimethylpiperazine

Hrčak ID: 192303

URI
https://hrcak.srce.hr/192303

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