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Synthesis of new tripodal ligand 5-(bis(3,5-dimethyl-1H-pyrazol-1-ylmethyl)amino)pentan-1-ol, catecholase activities studies of three functional tripodal pyrazolyl N-donor ligands, with different copper (II) salts

Paper ID Volume ID Publish Year Pages File Format Full-Text
52286 46867 2008 4 PDF Available
Title
Synthesis of new tripodal ligand 5-(bis(3,5-dimethyl-1H-pyrazol-1-ylmethyl)amino)pentan-1-ol, catecholase activities studies of three functional tripodal pyrazolyl N-donor ligands, with different copper (II) salts
Abstract

A new tripodal ligand, 5-(bis(3,5-dimethyl-1H-pyrazol-1-ylmethyl)amino)pentan-1-ol, has been synthesized. Three functional, N-donor tripodal pyrazolyl ligands, L1: 2-(bis(3,5-dimethyl-1H-pyrazol-1-ylmethyl)amino)ethan-1-ol; L2: 4-(bis(3,5-dimethyl-1H-pyrazol-1-ylmethyl)amino)butan-1-ol and L3: 5-(bis(3,5-dimethyl-1H-pyrazol-1-ylmethyl)amino)-pentan-1-ol have been examined for their catalytic oxidative activities. The dioxygen complexes of copper (II) were generated in situ by stirring copper salts and the tridentate pyrazole ligands. It has been found that these compounds are very efficient to give quinone. The lengths of the lateral chain carrying the hydroxyl group and the nature of the anion copper (II) salts have been investigated. These two parameters play an important effect on the oxidation reaction rate.

Keywords
Tripod; Oxidation; Catechol; Copper (II); Pyrazole; Ligand; Catalysis
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Synthesis of new tripodal ligand 5-(bis(3,5-dimethyl-1H-pyrazol-1-ylmethyl)amino)pentan-1-ol, catecholase activities studies of three functional tripodal pyrazolyl N-donor ligands, with different copper (II) salts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 5, 20 March 2008, Pages 966–969
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us