Issue 11, 2016
From the journal:

Dalton Transactions

Ruthenium complexes bearing an unsymmetrical pincer ligand with a 2-hydroxypyridylmethylene fragment: active catalysts for transfer hydrogenation of ketones†

Jing Shi,a   Bowen Hu,a   Dawei Gong,a   Shu Shang,a   Guangfeng Houb  and  Dafa Chen*ac  

* Corresponding authors

a School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, P.R. China
E-mail: dafachen@hit.edu.cn

b Key Laboratory of Functional Inorganic Material Chemistry (MOE); School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China

c State Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin 300071, P.R. China

Abstract

Five ruthenium(II) complexes were synthesized, including (HO-C5H3N-CH2-C5H3N-C5H4N)Ru(PPh3)Cl2 (3), [(HO-C5H3N-CH2-C5H3N-C5H4N)Ru(PPh3)2Cl][PF6] (4) and [(HO-C5H3N-CH2-C5H3N-C5H4N)Ru(PPh3)2OH][PF6] (5) bearing an unsymmetrical pincer NNN ligand with a 2-hydroxypyridylmethylene fragment, and [(CH3O-C5H3N-CH2-C5H3N-C5H4N)2Ru][Cl]2 (6) and [(CH3O-C5H3N-CH2-C5H3N-C5H4N)2Ru][PF6]2 (7) containing 2-methoxypyridylmethylene moieties. 4 reacts with H2O at room temperature to give 5 whose crystal structure reveals the existence of intramolecular hydrogen-bonding between its two –OH groups. 3 exhibits high catalytic activity for transfer hydrogenation of ketones.

Graphical abstract: Ruthenium complexes bearing an unsymmetrical pincer ligand with a 2-hydroxypyridylmethylene fragment: active catalysts for transfer hydrogenation of ketones

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Article information

DOI
https://doi.org/10.1039/C6DT00034G
Article type
Paper
Submitted
04 Jan 2016
Accepted
01 Feb 2016
First published
02 Feb 2016

Dalton Trans., 2016,45, 4828-4834

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Ruthenium complexes bearing an unsymmetrical pincer ligand with a 2-hydroxypyridylmethylene fragment: active catalysts for transfer hydrogenation of ketones

J. Shi, B. Hu, D. Gong, S. Shang, G. Hou and D. Chen, Dalton Trans., 2016, 45, 4828 DOI: 10.1039/C6DT00034G

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