scholarly journals Manganese-catalyzed homogeneous hydrogenation of ketones and conjugate reduction of α,β-unsaturated carboxylic acid derivatives: A chemoselective, robust, and phosphine-free in situ-protocol

2021 ◽  
pp. 118280
Author(s):  
Thomas Vielhaber ◽  
Christoph Topf
Keyword(s):  
Carboxylic Acid ◽  
Homogeneous Hydrogenation ◽  
Unsaturated Carboxylic Acid ◽  
Conjugate Reduction

Notizen: Homogene katalytische Hydrierung ungesättigter Carbonsäureester mit H2PtCl6 + SnCl2 in iso-Butanol / Homogeneous Catalytic Hydrogenation of Unsaturated Carboxylic Acid Esters with H2PtCl6 + SnCl2 in iso-Butanol

1977 ◽  
Vol 32 (5) ◽  
pp. 597-598 ◽  
Author(s):  
Walter Strohmeier ◽  
Luise Weigelt
Keyword(s):  
Carboxylic Acid ◽  
Catalytic Hydrogenation ◽  
Reaction Rates ◽  
Homogeneous Hydrogenation ◽  
Unsaturated Esters ◽  
Mild Conditions ◽  
Unsaturated Carboxylic Acid ◽  
Acid Esters

The catalytical system, prepared from H2PtCl6 + SnCl2 · 2 H2O and the additives HBr and H2O in iso-butanol is very efficient for homogeneous hydrogenation of unsaturated esters under mild conditions. Reaction rates r up to 40 mMol · 1-1 · min-1 and turnover numbers UZ higher than 1.600 are observed.

Preparation of unsaturated carboxylic acid esters with metallosilicate catalysts

Zeolites ◽  
1995 ◽  
Vol 15 (1) ◽  
pp. 84
Author(s):  
H. Nakajima ◽  
T. Fujii ◽  
K. Kitagawa
Keyword(s):  
Carboxylic Acid ◽  
Unsaturated Carboxylic Acid ◽  
Acid Esters

In situ generation of nitrilium from nitrile ylide and the subsequent Mumm rearrangement: copper-catalyzed synthesis of unsymmetrical diacylglycine esters

2016 ◽  
Vol 14 (45) ◽  
pp. 10723-10732 ◽  
Author(s):  
Jijun Chen ◽  
Ying Shao ◽  
Liang Ma ◽  
Meihua Ma ◽  
Xiaobing Wan
Keyword(s):  
Carboxylic Acid ◽  
Diazo Compounds ◽  
Acid Nitrile ◽  
In Situ Generation

A novel in situ generation of nitrilium from nitrile ylide and the subsequent Mumm rearrangement of carboxylic acid, nitrile, and diazo compounds gave various unsymmetrical diacylglycine esters.

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