Catalytic Transfer Hydrogenation of Azo Compounds to Hydrazo Compounds Using Inexpensive Commercial Zinc Dust and Hydrazinium Monoformate

2003 ◽  
Vol 33 (4) ◽  
pp. 717-724 ◽  
Author(s):  
H. S. Prasad ◽  
Shankare Gowda ◽  
K. Abiraj ◽  
D. Channe Gowda
Keyword(s):  
Zinc Dust ◽  
Transfer Hydrogenation ◽  
Azo Compounds ◽  
Catalytic Transfer Hydrogenation ◽  
Catalytic Transfer

Reductive Cleavage of Azo Compounds Catalysed by Commercial Zinc Dust and Hydrazinium Monoformate as a New Hydrogen Donor for Heterogeneous Catalytic Transfer Hydrogenation

2002 ◽  
Vol 2002 (8) ◽  
pp. 384-385 ◽  
Author(s):  
Shankare Gowda ◽  
K. Abiraj ◽  
D. Channe Gowda
Keyword(s):  
Zinc Dust ◽  
Reductive Cleavage ◽  
Hydrogen Donor ◽  
Transfer Hydrogenation ◽  
Azo Compounds ◽  
Catalytic Transfer Hydrogenation ◽  
Heterogeneous Catalytic ◽  
Catalytic Transfer ◽  
Reflux Temperature

Azo compounds are reductively cleaved to amine/s at reflux temperature within 15 min by employing less expensive commercial zinc dust and hydrazinium monoformate, a new hydrogen donor for catalytic transfer hydrogenation.

Palladium-catalyzed simple and efficient hydrogenative cleavage of azo compounds using recyclable polymer-supported formate

2005 ◽  
Vol 83 (5) ◽  
pp. 517-520 ◽  
Author(s):  
Keelara Abiraj ◽  
Gejjalagere R Srinivasa ◽  
D Channe Gowda
Keyword(s):  
Functional Groups ◽  
Room Temperature ◽  
Hydrogen Donor ◽  
Transfer Hydrogenation ◽  
Azo Compounds ◽  
Catalytic Transfer Hydrogenation ◽  
Palladium Catalyzed ◽  
Catalytic Transfer ◽  
Polymer Supported

Palladium-catalyzed room temperature transfer hydrogenation of azo compounds using recyclable polymer-supported formate as the hydrogen donor produces corresponding amine(s) in excellent yields (88%–98%). This method was found to be highly facile with selectivity over a number of other functional groups such as halogen, alkene, nitrile, carbonyl, amide, methoxy, and hydroxyl.Key words: azo compounds, catalytic transfer hydrogenation, polymer-supported formate, 10% Pd-C, amines.

Ruthenium (ii) complexes with c- and c-symmetric bis-(+)-camphopyrazole ligands and their evaluation in catalytic transfer hydrogenation of aldehydes

2021 ◽  
pp. 120429
Author(s):  
Christian O. Blanco ◽  
Ligia Llovera ◽  
Alberto Herrera ◽  
Romano Dorta ◽  
Giuseppe Agrifoglio ◽  
...  
Keyword(s):  
Transfer Hydrogenation ◽  
Catalytic Transfer Hydrogenation ◽  
Catalytic Transfer
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