Synthesis and characterization of a manganese(II) acetonitrile complex supported on functionalized MCM-41
authors Gago, S; Zhang, YM; Santos, AM; Kohler, K; Kuhn, FE; Fernandes, JA; Pillinger, M; Valente, AA; Santos, TM; Ribeiro-Claro, PJA; Goncalves, IS
nationality International
journal MICROPOROUS AND MESOPOROUS MATERIALS
author keywords mesoporous materials; chelating ligands; immobilization; acetonitrile complexes; manganese; cationic polymerization
keywords TRANSITION-METAL CATIONS; MESOPOROUS SILICA; CYCLOPENTADIENE POLYMERIZATION; MOLECULAR-SIEVES; CATALYSTS; INITIATORS; IMMOBILIZATION; EPOXIDATION
abstract The acetonitrile complex [Mn(NCCH3)(6)] [B(C6F5)(4)](2) has been immobilized in the ordered mesoporous silica MCM-41 functionalized with a pyrazolylpyridine (PP) ligand. A metal loading of 0.72 wt.% (0.13 mmolg(-1)) was achieved. Powder X-ray diffraction and N-2 adsorption-desorption analysis of the derivatized material confirmed that the textural properties of the hexagonally ordered host were preserved during the grafting experiment and that the channels remained accessible, despite reductions in surface area and pore volume. The derivatized material was also characterized by thermogravimetrie analysis and vibrational spectroscopy. (C) 2004 Elsevier Inc. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 1387-1811
year published 2004
volume 76
issue 1-3
beginning page 131
ending page 136
digital object identifier (doi) 10.1016/j.micromeso.2004.08.006
web of science category Chemistry, Applied; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
subject category Chemistry; Science & Technology - Other Topics; Materials Science
unique article identifier WOS:000225255100017
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