Abstract
Starting from the corresponding dimer, new saturated NHC-containing N,N-dimethyl biphenylamine (DMBPA) palladacycle complexes have been synthesized and fully characterized. Catalytic activity of these well-defined, air- and moisture-stable palladium(II) complexes was evaluated in the Buchwald-Hartwig amination involving a range of unactivated aryl chlorides. From a practical perspective, the reaction conditions required when using [(NHC)Pd(palladacycle)Cl] systems are very appealing. The organic biphenyl ligand used in the synthesis of the pallaclacycles has been synthesized using a Suzuki-Miyaura cross-coupling employing the novel palladacycle-NHC complexes.
Original language | English |
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Pages (from-to) | 5525-5531 |
Number of pages | 7 |
Journal | Organometallics |
Volume | 27 |
Issue number | 21 |
DOIs | |
Publication status | Published - 10 Nov 2008 |
Keywords
- CROSS-COUPLING REACTIONS
- PALLADIUM-CATALYZED AMINATION
- ROOM-TEMPERATURE
- SUZUKI-MIYAURA
- (NHC)PD(ALLYL)CL NHC
- HECK REACTION
- PHOSPHA-PALLADACYCLES
- HOMOGENEOUS CATALYSIS
- OLEFIN METATHESIS
- BUCHWALD-HARTWIG