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Epoxidation of olefins catalyzed by manganese(II) complexes of Schiff base ligand having N2O coordination sphere

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Field Value
 
Creator Guha, Averi
Das, Debasis
 
Date 2011-11-01T04:54:34Z
2011-11-01T04:54:34Z
2011-11
 
Identifier 0975-0975(Online); 0376-4710(Print)
http://hdl.handle.net/123456789/12993
 
Description 1574-1578
Three mononuclear manganese(II) complexes having two N<sub>2</sub>O coordination spheres have been examined as catalysts for epoxidation of (<i>E</i>)-stilbene and styrene using PhIO and NaOCl as terminal oxidants in four different solvents. The catalytic efficiency of the complexes are observed to be influenced not only by their own structural features but also by the nature of terminal oxidant, substrate as well as the solvents. Epoxidation proceeds with the formation of two different intermediates, O=Mn(IV)(L)(X) and Cl-O-Mn(II)(L)(X) [X=NO<sub>3</sub>/SCN/N(CN)<sub>2</sub>], in presence of PhIO and NaOCl respectively. Amongst the solvents, acetonitrile is found to be the most suitable.
 
Language en_US
 
Publisher NISCAIR-CSIR, India
 
Rights <img src='http://nopr.niscair.res.in/image/cc-license-sml.png'> <a href='http://creativecommons.org/licenses/by-nc-nd/2.5/in' target='_blank'>CC Attribution-Noncommercial-No Derivative Works 2.5 India</a>
 
Source IJC-A Vol.50A(11) [November 2011]
 
Subject Epoxidation
Solvent effects
Terminal oxidants
Olefins
Manganese
Catalysts
Schiff bases
 
Title Epoxidation of olefins catalyzed by manganese(II) complexes of Schiff base ligand having N2O coordination sphere
 
Type Article