4.7 Review

Combination Catalysis in Enantioselective Trifluoromethylation

Journal

ADVANCED SYNTHESIS & CATALYSIS
Volume 352, Issue 16, Pages 2745-2750

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201000545

Keywords

aldehydes; combination catalysis; enantioselectivity; ketones; trifluoromethylation

Funding

  1. National Natural Science Foundation of China [20772091, 20902067]
  2. Tianjin Municipal Science & Technology Commission [08JCYBJC09500]

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The application of combination catalysis in enantioselective trifluoromethylation reactions is illustrated. Four ground-breaking studies have described the efficient catalytic enantioselective nucleophilic trifluoromethylation of ketones and azomethine imines in the presence of the combination of a Cinchona alkaloid-derived ammonium salt and different nucleophilic initiators, whereas the highly enantioselective electrophilic and radical trifluoromethylation of aldehydes could be achieved via the combination of chiral organocatalysts and metal salts.

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