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Synthesis of n-Butyl Lactate by Transition-Metal-Substituted Phosphotungstic Acid Salt

Received: 16 September 2018     Published: 18 October 2018
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Abstract

Fatty acid ester perfume occupied an important position in food industry. The characteristics of them were variety, easy synthesis and low price. They were widely used in daily flavor, edible flavor and industrial flavor. POMs were a kind of stong acid bifunctional mild environment-friendly catalysts, their drawback was excellent solubility and could not be reused. Here, series of transition-metal-substituted phosphotungstate K6 [PW11O39M (H2O)] (M = Cu, Co, Ni) Lewis acid heterogeneous phase catalysts based on mono-lacunary-Keggin type K7 [PW11O39] were prepared by stereoselect-eve method, K6 [PW11O39M (H2O)] (M = Cu, Co, Ni) were abbreviated as PW11M (H2O) (M = Cu, Co, Ni). They were characterized by FT-IR, PXRD and element analysis. The coordinating water of transition metal was Lewis acid catalytic sites after activated. When mole ratio of butanol and lactic acid was 2: 1, amount of PW11M (H2O) (M = Cu, Co, Ni) was 0.125 g, volume of cyclohexane was 15 mL, the reaction temperature was 105°C, reaction time was 2 h, conversion rate of n-butyl lactate were in order: 85.9%, 79.6%, 66.3%. Activity of PW11X (X = Cu, Co, Ni) had no obvious changes after three times recycling. In addition, magnetic studies indicate that antiferromagnetic interactions exist in the three compounds.

Published in Science Journal of Chemistry (Volume 6, Issue 4)
DOI 10.11648/j.sjc.20180604.12
Page(s) 43-49
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Transition-Metal-Substituted, Substituted Phosphotungstic Acid Salt, n-Butyl Lactate, Lewis Acid Catalysis

References
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Cite This Article
  • APA Style

    Ke Wu, Li Xu, Ling Xu, Lijuan Xie, Zongrui Liu. (2018). Synthesis of n-Butyl Lactate by Transition-Metal-Substituted Phosphotungstic Acid Salt. Science Journal of Chemistry, 6(4), 43-49. https://doi.org/10.11648/j.sjc.20180604.12

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    ACS Style

    Ke Wu; Li Xu; Ling Xu; Lijuan Xie; Zongrui Liu. Synthesis of n-Butyl Lactate by Transition-Metal-Substituted Phosphotungstic Acid Salt. Sci. J. Chem. 2018, 6(4), 43-49. doi: 10.11648/j.sjc.20180604.12

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    AMA Style

    Ke Wu, Li Xu, Ling Xu, Lijuan Xie, Zongrui Liu. Synthesis of n-Butyl Lactate by Transition-Metal-Substituted Phosphotungstic Acid Salt. Sci J Chem. 2018;6(4):43-49. doi: 10.11648/j.sjc.20180604.12

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  • @article{10.11648/j.sjc.20180604.12,
      author = {Ke Wu and Li Xu and Ling Xu and Lijuan Xie and Zongrui Liu},
      title = {Synthesis of n-Butyl Lactate by Transition-Metal-Substituted Phosphotungstic Acid Salt},
      journal = {Science Journal of Chemistry},
      volume = {6},
      number = {4},
      pages = {43-49},
      doi = {10.11648/j.sjc.20180604.12},
      url = {https://doi.org/10.11648/j.sjc.20180604.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20180604.12},
      abstract = {Fatty acid ester perfume occupied an important position in food industry. The characteristics of them were variety, easy synthesis and low price. They were widely used in daily flavor, edible flavor and industrial flavor. POMs were a kind of stong acid bifunctional mild environment-friendly catalysts, their drawback was excellent solubility and could not be reused. Here, series of transition-metal-substituted phosphotungstate K6 [PW11O39MⅡ (H2O)] (M = Cu, Co, Ni) Lewis acid heterogeneous phase catalysts based on mono-lacunary-Keggin type K7 [PW11O39] were prepared by stereoselect-eve method, K6 [PW11O39MⅡ (H2O)] (M = Cu, Co, Ni) were abbreviated as PW11MⅡ (H2O) (M = Cu, Co, Ni). They were characterized by FT-IR, PXRD and element analysis. The coordinating water of transition metal was Lewis acid catalytic sites after activated. When mole ratio of butanol and lactic acid was 2: 1, amount of PW11MⅡ (H2O) (M = Cu, Co, Ni) was 0.125 g, volume of cyclohexane was 15 mL, the reaction temperature was 105°C, reaction time was 2 h, conversion rate of n-butyl lactate were in order: 85.9%, 79.6%, 66.3%. Activity of PW11X (X = Cu, Co, Ni) had no obvious changes after three times recycling. In addition, magnetic studies indicate that antiferromagnetic interactions exist in the three compounds.},
     year = {2018}
    }
    

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  • TY  - JOUR
    T1  - Synthesis of n-Butyl Lactate by Transition-Metal-Substituted Phosphotungstic Acid Salt
    AU  - Ke Wu
    AU  - Li Xu
    AU  - Ling Xu
    AU  - Lijuan Xie
    AU  - Zongrui Liu
    Y1  - 2018/10/18
    PY  - 2018
    N1  - https://doi.org/10.11648/j.sjc.20180604.12
    DO  - 10.11648/j.sjc.20180604.12
    T2  - Science Journal of Chemistry
    JF  - Science Journal of Chemistry
    JO  - Science Journal of Chemistry
    SP  - 43
    EP  - 49
    PB  - Science Publishing Group
    SN  - 2330-099X
    UR  - https://doi.org/10.11648/j.sjc.20180604.12
    AB  - Fatty acid ester perfume occupied an important position in food industry. The characteristics of them were variety, easy synthesis and low price. They were widely used in daily flavor, edible flavor and industrial flavor. POMs were a kind of stong acid bifunctional mild environment-friendly catalysts, their drawback was excellent solubility and could not be reused. Here, series of transition-metal-substituted phosphotungstate K6 [PW11O39MⅡ (H2O)] (M = Cu, Co, Ni) Lewis acid heterogeneous phase catalysts based on mono-lacunary-Keggin type K7 [PW11O39] were prepared by stereoselect-eve method, K6 [PW11O39MⅡ (H2O)] (M = Cu, Co, Ni) were abbreviated as PW11MⅡ (H2O) (M = Cu, Co, Ni). They were characterized by FT-IR, PXRD and element analysis. The coordinating water of transition metal was Lewis acid catalytic sites after activated. When mole ratio of butanol and lactic acid was 2: 1, amount of PW11MⅡ (H2O) (M = Cu, Co, Ni) was 0.125 g, volume of cyclohexane was 15 mL, the reaction temperature was 105°C, reaction time was 2 h, conversion rate of n-butyl lactate were in order: 85.9%, 79.6%, 66.3%. Activity of PW11X (X = Cu, Co, Ni) had no obvious changes after three times recycling. In addition, magnetic studies indicate that antiferromagnetic interactions exist in the three compounds.
    VL  - 6
    IS  - 4
    ER  - 

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Author Information
  • College of Chemistry and Chemical Engineering, Inner Mongolia University for Nationalities, Tongliao, China

  • College of Chemistry and Chemical Engineering, Inner Mongolia University for Nationalities, Tongliao, China

  • College of Chemistry and Chemical Engineering, Inner Mongolia University for Nationalities, Tongliao, China

  • College of Chemistry and Chemical Engineering, Inner Mongolia University for Nationalities, Tongliao, China

  • College of Chemistry and Chemical Engineering, Inner Mongolia University for Nationalities, Tongliao, China

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