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| - Extension of the Alkane Bridge in BisNHC−Palladium−ChlorideComplexes. Synthesis, Structure, and Catalytic Activity
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| - A series of bisNHC chelate ligands with alkyl bridges of different chain lengths and their palladiumcomplexes have been prepared. The influence of the different bridges on the solid-state structure andreactivity of the complexes has been studied. The catalytic activity of the palladium complexes wassuccessfully tested in the Mizoroki−Heck reaction and the catalytic CH activation of methane. Theethylene-bridged palladium complex showed the highest catalytic activity in the CH activation of methaneand the Mizoroki−Heck coupling of bromoarenes, while for unreactive chloroarenes bisNHC complexeswith longer bridges give better results.
- Palladium complexes with chelating biscarbene ligands of different bridge length have been found to be active in the Heck reaction and in the CH activation of methane.
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