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Palladium Complexes with Tetradentate Schiff Bases or their Corresponding Amines: Synthesis and Application in Heck Reactions
Author(s) -
Andrade Aretha P. S.,
Arantes Lucas M.,
Kadooca Juliana Y.,
Carvalho Renato L.,
de Fátima Ângelo,
Sabino Adão A.
Publication year - 2016
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201600244
Subject(s) - heck reaction , palladium , chemistry , catalysis , bromobenzene , coupling reaction , acetamide , organic chemistry , polymer chemistry , sodium carbonate , combinatorial chemistry , sodium
This article describes the synthesis of six palladium complexes derived from three bis ‐imines or their corresponding amines. These metallic complexes were evaluated as promising catalysts for Heck reaction. The potential of such organometallic catalysts was investigated using the coupling between bromobenzene and styrene as reaction model, involving evaluation of ranging bases, different solvents, reaction times and the quantity of palladium catalyst. Our findings indicate that the complexes obtained from amines are better than those from imines. Dimethyl acetamide (DMA) and sodium carbonate were the best solvents and bases in the Heck coupling reaction, respectively. In summary, these Schiff bases and corresponding amines provide an innovative opportunity to develop new catalytic systems for the Heck reaction.

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