Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts

Ateeq Rahman; Andre Pelletier; Mathew Mupa; Courtie Mahamadi; Cexton Musekiwa

doi:doi:10.11648/j.ajac.20160401.14

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Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts

Ateeq Rahman, Andre Pelletier, Mathew Mupa, Courtie Mahamadi, Cexton Musekiwa

Published in American Journal of Applied Chemistry (Volume 4, Issue 1)

Received: 19 December 2015 Accepted: 4 January 2016 Published: 23 February 2016

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Abstract

Calcined Ni-Al hydrotalcite (HT) 2: 1, Cat. A, is a superactive catalyst for reduction of substituted aromatics, i. e. toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective alicyclic products at room temperature in the presence of molecular hydrogen. Cat. A attained higher conversions compared to calcined Ni-Al hydrotalcites with ratios of 2.5: 1, and 3: 1. Calcined Ni-Al HT is a superactive catalyst whereas catalysts Niγ-Al₂O₃ or Ni-SiO₂ with Ni contents of 2%, 5%, and 10% resulted in poor conversions. In these cases, Ni in association with the respective oxide is the active precursor for molecular hydrogen initiation in the reduction of aromatics to alicyclic compounds. The objective is to evalua4e Ni as the best catalyst for aromatic ring reduction to alicylic molecule. Quantitative yield were obtained for all the substrates toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective cyclohexanes. These results indicate that hydrogenation with reusable Ni-Al HT catalysts is a green sustainable process and atom economy efficient for the production of various alicyclic compounds.

Published in	American Journal of Applied Chemistry (Volume 4, Issue 1)
DOI	10.11648/j.ajac.20160401.14
Page(s)	18-23
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), 2016. Published by Science Publishing Group

Keywords

Ni-Al Cat A 2: 1 HT, LDHs (Layered Double Hydroxides), Structure, Reduction Reactions

References

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APA Style

Ateeq Rahman, Andre Pelletier, Mathew Mupa, Courtie Mahamadi, Cexton Musekiwa. (2016). Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts. American Journal of Applied Chemistry, 4(1), 18-23. https://doi.org/10.11648/j.ajac.20160401.14

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ACS Style

Ateeq Rahman; Andre Pelletier; Mathew Mupa; Courtie Mahamadi; Cexton Musekiwa. Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts. Am. J. Appl. Chem. 2016, 4(1), 18-23. doi: 10.11648/j.ajac.20160401.14

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AMA Style

Ateeq Rahman, Andre Pelletier, Mathew Mupa, Courtie Mahamadi, Cexton Musekiwa. Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts. Am J Appl Chem. 2016;4(1):18-23. doi: 10.11648/j.ajac.20160401.14

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@article{10.11648/j.ajac.20160401.14,
  author = {Ateeq Rahman and Andre Pelletier and Mathew Mupa and Courtie Mahamadi and Cexton Musekiwa},
  title = {Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts},
  journal = {American Journal of Applied Chemistry},
  volume = {4},
  number = {1},
  pages = {18-23},
  doi = {10.11648/j.ajac.20160401.14},
  url = {https://doi.org/10.11648/j.ajac.20160401.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20160401.14},
  abstract = {Calcined Ni-Al hydrotalcite (HT) 2: 1, Cat. A, is a superactive catalyst for reduction of substituted aromatics, i. e. toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective alicyclic products at room temperature in the presence of molecular hydrogen. Cat. A attained higher conversions compared to calcined Ni-Al hydrotalcites with ratios of 2.5: 1, and 3: 1. Calcined Ni-Al HT is a superactive catalyst whereas catalysts Niγ-Al2O3 or Ni-SiO2 with Ni contents of 2%, 5%, and 10% resulted in poor conversions. In these cases, Ni in association with the respective oxide is the active precursor for molecular hydrogen initiation in the reduction of aromatics to alicyclic compounds. The objective is to evalua4e Ni as the best catalyst for aromatic ring reduction to alicylic molecule. Quantitative yield were obtained for all the substrates toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective cyclohexanes. These results indicate that hydrogenation with reusable Ni-Al HT catalysts is a green sustainable process and atom economy efficient for the production of various alicyclic compounds.},
 year = {2016}
}

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TY  - JOUR
T1  - Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts
AU  - Ateeq Rahman
AU  - Andre Pelletier
AU  - Mathew Mupa
AU  - Courtie Mahamadi
AU  - Cexton Musekiwa
Y1  - 2016/02/23
PY  - 2016
N1  - https://doi.org/10.11648/j.ajac.20160401.14
DO  - 10.11648/j.ajac.20160401.14
T2  - American Journal of Applied Chemistry
JF  - American Journal of Applied Chemistry
JO  - American Journal of Applied Chemistry
SP  - 18
EP  - 23
PB  - Science Publishing Group
SN  - 2330-8745
UR  - https://doi.org/10.11648/j.ajac.20160401.14
AB  - Calcined Ni-Al hydrotalcite (HT) 2: 1, Cat. A, is a superactive catalyst for reduction of substituted aromatics, i. e. toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective alicyclic products at room temperature in the presence of molecular hydrogen. Cat. A attained higher conversions compared to calcined Ni-Al hydrotalcites with ratios of 2.5: 1, and 3: 1. Calcined Ni-Al HT is a superactive catalyst whereas catalysts Niγ-Al2O3 or Ni-SiO2 with Ni contents of 2%, 5%, and 10% resulted in poor conversions. In these cases, Ni in association with the respective oxide is the active precursor for molecular hydrogen initiation in the reduction of aromatics to alicyclic compounds. The objective is to evalua4e Ni as the best catalyst for aromatic ring reduction to alicylic molecule. Quantitative yield were obtained for all the substrates toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective cyclohexanes. These results indicate that hydrogenation with reusable Ni-Al HT catalysts is a green sustainable process and atom economy efficient for the production of various alicyclic compounds.
VL  - 4
IS  - 1
ER  -

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Author Information

Ateeq Rahman

Department of Chemistry, Bindura University of Science Education, Bindura, Zimbabwe
Andre Pelletier

Department of Chemical Engineer, University of New Brunswick, Fredericton, Canada
Mathew Mupa

Department of Chemistry, Bindura University of Science Education, Bindura, Zimbabwe
Courtie Mahamadi

Department of Chemistry, Bindura University of Science Education, Bindura, Zimbabwe
Cexton Musekiwa

Department of Chemistry, Bindura University of Science Education, Bindura, Zimbabwe

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APA Style

Ateeq Rahman, Andre Pelletier, Mathew Mupa, Courtie Mahamadi, Cexton Musekiwa. (2016). Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts. American Journal of Applied Chemistry, 4(1), 18-23. https://doi.org/10.11648/j.ajac.20160401.14

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ACS Style

Ateeq Rahman; Andre Pelletier; Mathew Mupa; Courtie Mahamadi; Cexton Musekiwa. Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts. Am. J. Appl. Chem. 2016, 4(1), 18-23. doi: 10.11648/j.ajac.20160401.14

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AMA Style

Ateeq Rahman, Andre Pelletier, Mathew Mupa, Courtie Mahamadi, Cexton Musekiwa. Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts. Am J Appl Chem. 2016;4(1):18-23. doi: 10.11648/j.ajac.20160401.14

Copy | Download

@article{10.11648/j.ajac.20160401.14,
  author = {Ateeq Rahman and Andre Pelletier and Mathew Mupa and Courtie Mahamadi and Cexton Musekiwa},
  title = {Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts},
  journal = {American Journal of Applied Chemistry},
  volume = {4},
  number = {1},
  pages = {18-23},
  doi = {10.11648/j.ajac.20160401.14},
  url = {https://doi.org/10.11648/j.ajac.20160401.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20160401.14},
  abstract = {Calcined Ni-Al hydrotalcite (HT) 2: 1, Cat. A, is a superactive catalyst for reduction of substituted aromatics, i. e. toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective alicyclic products at room temperature in the presence of molecular hydrogen. Cat. A attained higher conversions compared to calcined Ni-Al hydrotalcites with ratios of 2.5: 1, and 3: 1. Calcined Ni-Al HT is a superactive catalyst whereas catalysts Niγ-Al2O3 or Ni-SiO2 with Ni contents of 2%, 5%, and 10% resulted in poor conversions. In these cases, Ni in association with the respective oxide is the active precursor for molecular hydrogen initiation in the reduction of aromatics to alicyclic compounds. The objective is to evalua4e Ni as the best catalyst for aromatic ring reduction to alicylic molecule. Quantitative yield were obtained for all the substrates toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective cyclohexanes. These results indicate that hydrogenation with reusable Ni-Al HT catalysts is a green sustainable process and atom economy efficient for the production of various alicyclic compounds.},
 year = {2016}
}

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TY  - JOUR
T1  - Environment-Friendly Reduction of Aromatics to Alicyclic Compounds at Room Temperature Using Superactive Calcined Ni-Al Hydrotalcite Catalysts
AU  - Ateeq Rahman
AU  - Andre Pelletier
AU  - Mathew Mupa
AU  - Courtie Mahamadi
AU  - Cexton Musekiwa
Y1  - 2016/02/23
PY  - 2016
N1  - https://doi.org/10.11648/j.ajac.20160401.14
DO  - 10.11648/j.ajac.20160401.14
T2  - American Journal of Applied Chemistry
JF  - American Journal of Applied Chemistry
JO  - American Journal of Applied Chemistry
SP  - 18
EP  - 23
PB  - Science Publishing Group
SN  - 2330-8745
UR  - https://doi.org/10.11648/j.ajac.20160401.14
AB  - Calcined Ni-Al hydrotalcite (HT) 2: 1, Cat. A, is a superactive catalyst for reduction of substituted aromatics, i. e. toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective alicyclic products at room temperature in the presence of molecular hydrogen. Cat. A attained higher conversions compared to calcined Ni-Al hydrotalcites with ratios of 2.5: 1, and 3: 1. Calcined Ni-Al HT is a superactive catalyst whereas catalysts Niγ-Al2O3 or Ni-SiO2 with Ni contents of 2%, 5%, and 10% resulted in poor conversions. In these cases, Ni in association with the respective oxide is the active precursor for molecular hydrogen initiation in the reduction of aromatics to alicyclic compounds. The objective is to evalua4e Ni as the best catalyst for aromatic ring reduction to alicylic molecule. Quantitative yield were obtained for all the substrates toluene, benzene, nitrobenzene, chloro-, bromo-, and iodobenzene to their respective cyclohexanes. These results indicate that hydrogenation with reusable Ni-Al HT catalysts is a green sustainable process and atom economy efficient for the production of various alicyclic compounds.
VL  - 4
IS  - 1
ER  -

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