期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 52, 期 52, 页码 14103-14107出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201308873
关键词
chirality; ligand design; multicomponent reactions; N-heterocyclic carbenes; transition metals
资金
- Rennes metropole
- Region-Bretagne
- Agence Nationale de la Recherche [ANR-12-CD2I-0002 CFLOW-OM]
A low-cost, modular, and easily scalable multicomponent procedure affording access in good yields and excellent selectivity (up to 93%) to a wide range of (a)chiral unsymmetrical 1-aryl-3-cycloalkyl-imidazolium salts is disclosed. Electronic and steric properties of the corresponding unsymmetrical unsaturated N-heterocyclic carbene (U-2-NHC) ligands were evaluated and evidenced strong electron donor ability, high steric discrimination, and modular steric demand.
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