Palladium complexes with tetradentate schiff bases or their corresponding amines: synthesis and application in heck reactions
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Universidade Federal de Minas Gerais
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This article describes the synthesis of six palladium complexesderived from threebis-imines or their corresponding amines.These metallic complexes were evaluated as promising cata-lysts for Heck reaction. The potential of such organometalliccatalysts was investigated using the coupling between bromo-benzene and styrene as reaction model, involving evaluation ofranging bases, different solvents, reaction times and the quan-tity of palladium catalyst. Our findings indicate that the com-plexes obtained from amines are better than those fromimines. Dimethyl acetamide (DMA) and sodium carbonate werethe best solvents and bases in the Heck coupling reaction, re-spectively. In summary, these Schiff bases and correspondingamines provide an innovative opportunity to develop new cat-alytic systems for the Heck reaction
Abstract
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Schiff, Bases de, Paladio, Aminas, Catalise, Complexos metálicos
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Schiff base, Heck reaction, Palladium complexes, Tetradentate ligands
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https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/slct.201600244