Chemoselective Hydrogenation of Nitroarenes Catalyzed by Molybdenum Sulphide Clusters
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http://dx.doi.org/10.1002/cctc.201601496 |
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Títol
Chemoselective Hydrogenation of Nitroarenes Catalyzed by Molybdenum Sulphide ClustersAutoria
Data de publicació
2017-03-20Editor
WileyISSN
1867-3880; 1867-3899Cita bibliogràfica
PEDRAJAS, Elena, et al. Chemoselective Hydrogenation of Nitroarenes Catalyzed by Molybdenum Sulphide Clusters. ChemCatChem, 2017, vol. 9, no 6, p. 1128-1134.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://onlinelibrary.wiley.com/doi/10.1002/cctc.201601496/fullVersió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
Herein, we describe an atom efficient and general protocol for the chemoselective hydrogenation of nitroarenes to anilines catalyzed by well-defined diimino and diamino cubane-type Mo3S4 clusters. The novel diimino ... [+]
Herein, we describe an atom efficient and general protocol for the chemoselective hydrogenation of nitroarenes to anilines catalyzed by well-defined diimino and diamino cubane-type Mo3S4 clusters. The novel diimino [Mo3S4Cl3(dnbpy)3]+ ([5]+) (dnbpy=4,4′-dinonyl-2,2′-dipyridyl, L1) trinuclear complex was synthesized in high yields by simple ligand substitution reactions starting from the thiourea (tu) [Mo3S4(tu)8(H2O)]Cl4⋅4 H2O (3) precursor. This strategy has also been successfully adapted for the isolation of the diamino [Mo3S4Cl3(dmen)3](BF4) ([6](BF4)), (dmen=N,N′-dimethylethylenediamine) salt. Applying these catalysts, high selectivity in the hydrogenation of functionalized nitroarenes has been accomplished. Over thirty anilines bearing synthetically functional groups have been synthesized in 70 to 99 % yield. Notably, the integrity of the cluster core is preserved during catalysis. Based on kinetic studies on the hydrogenation of nitrobenzene and other potential reaction intermediates, the direct reduction to aniline is the preferential route. [-]
Publicat a
ChemCatChem, 2017, vol. 9, no 6, p. 1128-1134.Proyecto de investigación
Spanish Ministerio de Economia y Competitividad / CTQ2015-65207-P; Universitat Jaume I / P1.1B2013-19; Generalitat Valenciana / PrometeoII/2014/022; Russian Foundation for Basic Science /15-03-02775aDrets d'accés
Copyright © John Wiley & Sons, Inc.
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