Molybdenum oxide/bipyridine hybrid material {[MoO3(bipy)][MoO3(H2O)]}(n) as catalyst for the oxidation of secondary amines to nitrones
authors Abrantes, M; Goncalves, IS; Pillinger, M; Vurchio, C; Cordero, FM; Brandi, A
nationality International
journal TETRAHEDRON LETTERS
author keywords Inorganic-organic hybrid materials; Oxomolybdenum catalysts; Oxidation; Secondary amines; Nitrones
keywords HYDROGEN-PEROXIDE; CRYSTAL-STRUCTURE; DIOXOMOLYBDENUM(VI) COMPLEXES; CYCLOADDITION REACTIONS; HYDROTHERMAL SYNTHESIS; ORGANIC-SYNTHESIS; CYCLIC NITRONES; OXYGEN-TRANSFER; OXIDE; EPOXIDATION
abstract The inorganic-organic hybrid material {[MoO3(bipy)][MoO3(H2O)]} (bipy = 2,2'-bipyridine) can be used as a water-tolerant catalyst for the oxidation of secondary amines under mild conditions using either urea hydrogen peroxide (UHP) or tert-butylhydroperoxide (TBHP) as the oxidant. Under optimized reaction conditions (2 mol % catalyst, 3-4 equiv TBHP, CH2Cl2 as the solvent, 40 degrees C), the corresponding nitrones were obtained with different efficiency depending on the nature of the cyclic or acyclic amine used. (C) 2011 Elsevier Ltd. All rights reserved.
publisher PERGAMON-ELSEVIER SCIENCE LTD
issn 0040-4039
year published 2011
volume 52
issue 52
beginning page 7079
ending page 7082
digital object identifier (doi) 10.1016/j.tetlet.2011.10.079
web of science category Chemistry, Organic
subject category Chemistry
unique article identifier WOS:000297958400015
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