期刊
CHEMCATCHEM
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.202301124
关键词
C-C and C-heteroatom bonds formation; green solvent; mechanochemistry; palladacycle; palladate
This article presents an environmentally friendly and simple synthesis method for stable complexes. By evaluating the catalytic activity of imidazolium salts as counterions, the complexes can be converted to Pd-NHC species, enabling various amination reactions under mild conditions.
The environmentally friendly, simple synthesis of a family complexes of the general formula [NHC & sdot;H][Pd(NH2)(CC)Cl-2] (CC=biphenyl) is presented. The catalytic activity of these air- and moisture-stable complexes was evaluated as a function of the imidazolium counterion. These pre-catalysts can be converted, under catalytic conditions, to Pd-NHC species enabling the Suzuki-Miyaura, Sonogashira, and Buchwald-Hartwig amination reactions under very mild operating conditions.
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