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Please use this identifier to cite or link to this item: http://purl.org/purl/1645

Title: A novel fluorescent bisazomethine dye derived from 3-hydroxyquinoxaline-2- carboxaldehyde and 2,3-diaminomaleonitrile
Authors: Mohammed Yusuff, K K
Arun, Vasudevan
Robinson, P P
Manju, Sebastian
Leeju, P
Varsha, Gopalakrishnan
Digna, Vasudevan
Keywords: 3-Hydroxyquinoxaline-2-carboxaldehyde
Schiff base
Cyclic voltammetry
Issue Date: 18-Jan-2009
Publisher: Elsevier, Dyes and Pigments 82 (2009) 268–275
Citation: Applied Chemistry,Cochin University of Science and Technology
Abstract: A novel bisazomethine Schiff base was synthesised by the condensation of 3-hydroxyquinoxaline-2- carboxaldehyde and 2,3-diaminomaleonitrile. 1H NMR, 13C NMR, HPLC and FT-IR studies revealed that the compound exists in two major tautomeric forms. The Schiff base exhibits positive absorption and fluorescent solvatochromism and displays dual fluorescence with large stoke shifts. Cyclic voltammetric analysis of the compound in 1:1 methanol–THF was influenced by scan rate. Thermal analysis of the compound was undertaken using TG–DTA and DSC
URI: http://dyuthi.cusat.ac.in/purl/1645
Appears in Collections:Prof. K K Mohammed Yusuff

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