Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 15, Issue 18, Pages 4610-4613Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200802740
Keywords
arenes; benzylation; hydroarylation; hydrogen transfer; N-heterocyclic carbenes; tandem reactions
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Funding
- Ministerio de Ciencia e Innovacion [CTQ2008-04460]
- Bancaixa [P1.1B2007-04]
- Spanish Ministerio de Ciencia e Innovacion
- Juan de la Cierva program
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The compound [IrCp*(OTf)(2)(I-nBu)] (I-nBu = 1,3-di-n-butyl-imidazolylidene) is an effective catalyst in the benzylation of arenes with different benzylating agents, such as alcohols, ethers and styrenes, representing ail unprecedented highly versatile catalyst for this type of process. The same compound also catalyses a remarkable tandem process that allows the use of aldehydes and ketones as benzylating agents, through the base-free hydrogenation of C=O bonds with iPrOH and further use of the resulting primary or secondary alcohols as benzylating agents.
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