Practical synthesis of enantiopure benzylamines by catalytic hydrogenation or transfer hydrogenation reactions in isopropanol using a Ru-pybox catalyst
Literature Information
Publication Date
2017-12-01
DOI
10.1039/C7QO00908A
Impact Factor
5.281
Authors
E. de Julián, E. Menéndez-Pedregal, M. Claros, M. Vaquero, J. Díez, E. Lastra, P. Gamasa, A. Pizzano
View Original
Abstract
The screening of a family of complexes of the formula [RuCl2(R-pybox)(L)] (R-pybox = Ph-, iPr- or indane-pybox; L = monodentate P, N or C ligand) in the enantioselective hydrogenation of N-aryl imines indicates a strong influence of the R-pybox substituents and the L ligand in the process. A comparison indicates that the best results are obtained with the complex [RuCl2(Ph-pybox)(PPh(OMe)2)] which provided values of 99% ee for the reduction of several imines derived from aryl alkyl ketones. It is worth noting that this complex is capable of reducing the mentioned imines under transfer hydrogenation conditions using isopropanol as a hydrogen donor with equally high enantioselectivities.
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Source Journal
Organic Chemistry Frontiers
CiteScore:
7.8
Self-citation Rate:
8.7%
Articles per Year:
724
Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry
Recommended Compounds
![S-[2,3-Bis(palmitoyloxy)propyl]-N-[(9H-fluoren-9-ylmethoxy)(hydroxy)methylene]cysteine structure](https://static.chemtradehub.com/structs/210/210532-98-2-f6a7.webp "S-[2,3-Bis(palmitoyloxy)propyl]-N-[(9H-fluoren-9-ylmethoxy)(hydroxy)methylene]cysteine structure")
S-[2,3-Bis(palmitoyloxy)propyl]-N-[(9H-fluoren-9-ylmethoxy)(hydroxy)methylene]cysteine
CAS Number:
210532-98-2
Molecular Formula:
C53H83NO8S
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