Complex of 2-(methylthio)aniline with palladium(II) as an efficient catalyst for Suzuki-Miyaura C-C coupling in eco-friendly water

Journal of Hazardous Materials
Gyandshwar K RaoAjai Kumar Singh

Abstract

2-(Methylthio)aniline (L1), a bidentate (S,N) ligand synthesized by the reaction of o-aminothiophenol with methyl iodide, on reacting with Na2PdCl4 in acetone and water gives a complex [PdL1Cl2] (1). Single crystal X-ray diffraction studies have revealed that the geometry of palladium in 1 is nearly square-planar and the ligand L1 is bound to the palladium through S and N in a bidentate coordination mode forming a five membered chelate ring. This complex functions as a thermally and air stable catalyst of high efficiency for Suzuki-Miyaura CC coupling reactions in water. It catalyzes CC coupling between various aryl bromides and phenylboronic acid under mild reaction conditions in water. TON value up to 93,000 has been obtained.

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Nov 22, 2011·Dalton Transactions : an International Journal of Inorganic Chemistry·Gyandshwar Kumar RaoAjai Kumar Singh
Mar 1, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Gyandshwar Kumar RaoAjai K Singh
Aug 22, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Arun KumarAjai K Singh
Jan 24, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Arun KumarAjai K Singh
Oct 5, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Satyendra KumarAjai Kumar Singh

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Citations

Mar 12, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Gyandshwar Kumar RaoAjai K Singh

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