Ionic Schiff base dioxidomolybdenum(VI) complexes as catalysts in ionic liquid media for cyclooctene epoxidation

被引：35
作者：
Bibal, Christine [1 ,2 ]
Daran, Jean-Claude [2 ]
Deroover, Simon [1 ,2 ]
Poli, Rinaldo [2 ,3 ]
机构：
[1] Univ Toulouse 3, Inst Univ Technol A, Dept Chim, F-81104 Castres, France
[2] Univ Toulouse 3, CNRS, INPT, LCC, F-31077 Toulouse, France
[3] Inst Univ France, F-75005 Paris, France
来源：
POLYHEDRON | 2010年 / 29卷 / 01期
关键词：
Dioxidomolydenum(VI) complexes; Sulfonated Schiff bases; Ionic liquids; Cyclooctene epoxidation; DIOXOMOLYBDENUM(VI) COMPLEXES; OLEFIN EPOXIDATION; ASYMMETRIC EPOXIDATION; MOLYBDENUM COMPLEXES; SOLID-STATE; LIGANDS; ORGANOMOLYBDENUM(VI); ORGANORHENIUM(VII); DIMERIZATION; OXIDATIONS;
D O I：
10.1016/j.poly.2009.09.001
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The preparation of several new molybdenum(VI) complexes containing Schiff base ligands tagged with sulfonate functionalities is presented. The title compounds have been characterized by standard analytical methods including NMR, IR, and mass spectroscopy. X-ray structures of the N-salicylidene-2-aminophenolate dioxidomolybdenum complexes bearing sulfonato groups on the salicylidene moiety (as the sodium and ammonium salts) are described herein accompanied by the structural characterization of the N-salicylidene-2-aminoethanolate sulfonate Schiff base ligand. The activity of the ionic catalysts for cyclooctene epoxidation is shown in different room temperature ionic liquids (i.e. [BMIM][NTf2] (NTf2- = (CF3SO2)(2)N-), [BMIM][CF3SO3], [EMIM][CH3C6H4SO3]). (C) 2009 Elsevier Ltd. All rights reserved.
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收藏
页码：639 / 647
页数：9
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