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Synthesis of 1,2-propanediamine via reductive amination of isopropanolamine over Raney Ni under the promotion of K2CO3

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Abstract

Catalytic amination of isopropanolamine and ammonia to 1,2-propanediamine over Raney Ni with potassium carbonate as the additive was reported. Characterization of N2 adsorption–desorption and XRD were performed to reveal the textural and structural properties of the catalysts. With the additive of potassium carbonate, the selectivity of 1,2-propanediamine was improved, while the side generation of 2,5-dimethylpiperazine was suppressed. The catalytic reaction parameters were optimized and the yield of 1,2-propanediamine reached 80% under the optimized reaction condition.

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Acknowledgements

We are grateful to be supported by the Key Research and Development Projects of Shanxi Province (Nos. 2017ZDXM-GY-070, 2017ZDXM-GY-042).

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Correspondence to Jian-Ming Yang or Jian Lu.

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Yu, QW., Li, YN., Zhang, Q. et al. Synthesis of 1,2-propanediamine via reductive amination of isopropanolamine over Raney Ni under the promotion of K2CO3. Chem. Pap. 73, 2019–2026 (2019). https://doi.org/10.1007/s11696-019-00734-9

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  • DOI: https://doi.org/10.1007/s11696-019-00734-9

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