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  Selective Synthesis of Trimethylamine by Catalytic N-Methylation of Ammonia and Ammonium Chloride by utilizing Carbon Dioxide and Molecular Hydrogen

Beydoun, K., Thenert, K., Streng, E. S., Brosinski, S., Leitner, W., & Klankermayer, J. (2016). Selective Synthesis of Trimethylamine by Catalytic N-Methylation of Ammonia and Ammonium Chloride by utilizing Carbon Dioxide and Molecular Hydrogen. ChemCatChem, 8(1), 135-138. doi:10.1002/cctc.201501116.

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 Creators:
Beydoun, Kassem1, Author
Thenert, Katharina1, Author
Streng, Emilia S.1, Author
Brosinski, Sandra1, Author
Leitner, Walter1, 2, Author              
Klankermayer, Jürgen1, Author
Affiliations:
1Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Aachen, Germany, ou_persistent22              
2Research Group Leitner, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445610              

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Free keywords: amines, ammonia, carbon dioxide, homogeneous catalysis, methylation
 Abstract: The synthesis of trimethylamine (TMA) through a multicomponent combination of ammonia with carbon dioxide and molecular hydrogen by using a homogeneous ruthenium catalyst was explored. The use of [Ru(triphos)(tmm)] [triphos: 1,1,1-tris(diphenylphosphinomethyl)ethane, tmm: trimethylene methane] together with aluminum trifluoromethanesulfonate as a co-catalyst resulted in high ammonia conversion and excellent selectivity for TMA in organic solvents. Aqueous solutions of ammonium chloride were methylated almost quantitatively to the corresponding hydrochloride salt (i.e., TMA⋅HCl) in a biphasic solvent system by using the same Ru complex without the need for any co-catalyst.

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Language(s): eng - English
 Dates: 2016-01-142016-01-12
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/cctc.201501116
 Degree: -

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Title: ChemCatChem
  Other : ChemCatChem
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 8 (1) Sequence Number: - Start / End Page: 135 - 138 Identifier: ISSN: 1867-3880
CoNE: https://pure.mpg.de/cone/journals/resource/1867-3880