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2-4-6-tris-2-pyridyl--1-3-5-triazine
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New mononuclear manganese(II) complexes with 2,4,6-tris(2-pyridyl)-1,3,5- triazine (tptz) - Selective catalyst in UHP oxidation of sulfides
, Article Polyhedron ; Volume 34, Issue 1 , February , 2012 , Pages 202-209 ; 02775387 (ISSN) ; Hołyńska, M ; Shamkhali, A. N ; Amini, M ; Kazemi, S. H ; Zaynalpoor, S ; Mohamadi, R ; Bagherzadeh, M ; Lis, T ; Sharif University of Technology
2012
Abstract
A new manganese complex of the formula [Mn(tptz)(OH 2) 3](CF 3SO 3) 2·EtOH, (1, where tptz = (2,4,6-tris(2-pyridyl)-1,3,5-triazine) is presented, exhibiting an excellent catalytic activity and selectivity in oxidation of various sulfides to the corresponding sulfoxides with UHP (urea hydrogen peroxide) as oxidant under air at room temperature. A modified preparation procedure produces another new manganese complex of the formula [Mn(tptz)(CH 3COO)(OH 2) 2](CF 3SO 3)·3H 2O (2). X-ray structures of both Mn(II) complexes, properties (elemental analysis, electrochemistry, EPR, IR, Raman, and UV-Vis spectra), as well as DFT studies results are reported