Journal
ORGANOMETALLICS
Volume 41, Issue 2, Pages 161-168Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.organomet.1c00641
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Funding
- National Natural Science Foundation of China [22001022]
- Jiangsu Key Laboratory of Fine Petrochemical Engineering [KF1903]
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Homo- and heterodicarbene palladium complexes with caffeine-derived N-heterocyclic carbene ligands were synthesized and characterized. The alkylated caffeine-based salts also exhibited superior acidity, allowing the isolation of zwitterionic caffeine monocarbene palladium complexes with outstanding catalytic activity in the cyanation reactions of aryl halides.
Homo-and heterodicarbene palladium complexes bearing caffeine-derived N-heterocyclic carbene ligands were synthesized and fully characterized by NMR spectroscopy, mass spectrometry, and X-ray diffraction analysis. The superior acidity of the alkylated caffeine-based salts also allowed the isolation of zwitterionic caffeine monocarbene palladium complexes, which showed outperforming catalytic activities in the cyanation reactions of aryl halides.
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