Replacing Pd(OAc) 2 with supported palladium nanoparticles in ortho-directed CDC reactions of alkylbenzenes

Supported palladium nanoparticles are used as efficient catalysts for the synthesis of aromatic ketones via cross dehydrogenative coupling reactions of 2-arylpyridines with alkylbenzenes. The catalyst can be reused for five cycles without significantly losing activity. Mechanism research showed that...

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Bibliographic Details
Published in:Green chemistry : an international journal and green chemistry resource : GC 2016, Vol.18 (7), p.2072-2077
Main Authors: Bao, Yong-Sheng, Zhang, Dongling, Jia, Meilin, Zhaorigetu, Bao
Format: Article
Language:English
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Summary:Supported palladium nanoparticles are used as efficient catalysts for the synthesis of aromatic ketones via cross dehydrogenative coupling reactions of 2-arylpyridines with alkylbenzenes. The catalyst can be reused for five cycles without significantly losing activity. Mechanism research showed that alkylbenzenes were oxidized to their corresponding aldehydes and subsequently coupled with 2-arylpyridines to generate aryl ketones through a Pd 0 /Pd II /Pd IV catalytic cycle.
ISSN:1463-9262
1463-9270
DOI:10.1039/C5GC02554K