Palladium(II) chalcogenolate complexes as catalysts for CC cross-coupling and carbonylative Suzuki coupling reactions

The catalytic activity of palladium chalcogenolate complexes, [PdCl(ECH2CH2NMe2)]3 (E=S or Se), [PdCl(ECH2CH2CH2NMe2)]2 and [PdCl(SeCH2CH2NMe2)(PPh3)] has been investigated in carbonylative Suzuki coupling reactions. The phosphine complex has also been used as a catalyst in CC cross coupling reactio...

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Bibliographic Details
Published in:Tetrahedron letters 2014-04, Vol.55 (18), p.2953-2956
Main Authors: Paluru, Dilip K., Dey, Sandip, Chaudhari, Kamal R., Khedkar, Mayur V., Bhanage, Bhalachandra M., Jain, Vimal K.
Format: Article
Language:English
Subjects:
Aromatic compounds
Carbonylative Suzuki coupling
Carbonyls
Catalysis
Catalysts
Chalcogenolate
Chemical reactions
Coupling (molecular)
Cross coupling
Palladium
Phosphines
Suzuki coupling
Triarylbismuth
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Summary:The catalytic activity of palladium chalcogenolate complexes, [PdCl(ECH2CH2NMe2)]3 (E=S or Se), [PdCl(ECH2CH2CH2NMe2)]2 and [PdCl(SeCH2CH2NMe2)(PPh3)] has been investigated in carbonylative Suzuki coupling reactions. The phosphine complex has also been used as a catalyst in CC cross coupling reactions involving an aryl halide and either triaryl bismuth or aryl boronic acid (Suzuki coupling). The catalytic system was also explored for other carbonylation reactions including carbonylative Sonogashira coupling and amino carbonylation reaction. The phosphine complex showed better activity in carbonylative Suzuki coupling reactions than dimeric and trimeric complexes. All the complexes showed comparable activity in Suzuki coupling reactions.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2014.03.101