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Catalysts 2018, 8(8), 337; https://doi.org/10.3390/catal8080337

Effects of Coordination Ability of Nitrogen-Containing Carboxylic Acid Ligands on Nieuwland Catalyst

1
School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, North 4th road, Shihezi 832003, China
2
Industrial Technology Research Institute, Xinjiang Production and Construction Corps, Shihezi 832003, China
3
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
*
Authors to whom correspondence should be addressed.
Received: 21 July 2018 / Revised: 11 August 2018 / Accepted: 13 August 2018 / Published: 17 August 2018
(This article belongs to the Section Metal Catalysis)
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Abstract

This article investigated the effect of three nitrogen-containing carboxylic acid ligands for the Nieuwland catalyst system. The catalyst system containing 4.5% N-(2-acetamido) iminodiacetic acid exhibited improved catalytic activity with excellent performance. The yield of monovinylacetylene (MVA) was maintained at 36.7% after 24 h, which was increased by 17.1% relative to the Nieuwland catalyst system. Based on a variety of analyses on the crystals precipitated from the catalyst solutions, it can be inferred that the outstanding performance and lifetime of the catalysts were related to the abilities of these ligands to form strong coordination with Cu+ ions and stabilize them. View Full-Text
Keywords: Nieuwland catalyst; acetylene dimerization; monovinylacetylene; nitrogen-containing carboxylic acid ligands Nieuwland catalyst; acetylene dimerization; monovinylacetylene; nitrogen-containing carboxylic acid ligands
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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You, Y.; Luo, J.; Xie, J.; Zhang, J.; Dai, B. Effects of Coordination Ability of Nitrogen-Containing Carboxylic Acid Ligands on Nieuwland Catalyst. Catalysts 2018, 8, 337.

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