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Amine-Borane Mediated Metal-Free Hydrogen Activation and Catalytic Hydrogenation.
MedLine Citation:
PMID:  23208615     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The use of frustrated Lewis pairs (FLPs) as hydrogenation catalysts is attracting increasing attention as one of the most modern and rapidly growing areas of organic chemistry, with many research groups around the world working on this subject. Since the pioneering studies of the groups of Stephan and Piers on the Lewis acid-base pairs, which do not react irreversibly with each other and act as a trap for small molecules, numerous FLPs for hydrogen activation have been reported. Among others, intra- and intermolecular systems based on phosphines, organic carbenes, amines as Lewis bases, and boranes or alanes as Lewis acids were studied. This review presents a progression from the first observation of the facile heterolytical cleavage of hydrogen gas by amines and B(C(6)F(5))(3) to highly active non-metal catalysts for both enantioselective and racemic hydrogenation of unsaturated nitrogen-containing compounds and also internal alkynes.
Authors:
Victor Sumerin; Konstantin Chernichenko; Felix Schulz; Markku Leskelä; Bernhard Rieger; Timo Repo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-4
Journal Detail:
Title:  Topics in current chemistry     Volume:  -     ISSN:  0340-1022     ISO Abbreviation:  Top Curr Chem     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0432204     Medline TA:  Top Curr Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Borealis Polymers Oy, 330, 06101, Porvoo, Finland.
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