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

2016 ◽  
Vol 45 (11) ◽  
pp. 4828-4834 ◽  
Author(s):  
Jing Shi ◽  
Bowen Hu ◽  
Dawei Gong ◽  
Shu Shang ◽  
Guangfeng Hou ◽  
...  

The synthesis, reactivity and catalytic transfer hydrogenation activity of three metal–ligand cooperative ruthenium(ii) complexes (3–5) with a 2-hydroxypyridylmethylene fragment are reported.

2021 ◽  
Author(s):  
Akkharadet Piyasaengthong ◽  
Luke J Williams ◽  
Dmitry S Yufit ◽  
James William Walton

Transfer hydrogenation (TH) is a powerful synthetic tool in the production of secondary alcohols from ketones by using a non-H2 hydrogen source along with metal catalysts. Among homogeneous catalysts, Ru(II)...


2019 ◽  
Vol 48 (31) ◽  
pp. 11838-11847 ◽  
Author(s):  
Joseph P. Byrne ◽  
Pauline Musembi ◽  
Martin Albrecht

Triazolylidene NHCs decorated with a carbohydrate wingtip group were complexed to a ruthenium(ii) center. Deprotection of the carbohydrate in the metal complex affords a carbohydrate–NHC hybrid system for use as a transfer hydrogenation catalyst.


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