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O-hydroxy Schiff bases derived from -hydroxy--methoxy benzaldehyde: Synthesis, x-ray studies and hydrogen bonding attributes

Amrutha Kala, A. L. and Nanishankar, V. Harohally (2016) O-hydroxy Schiff bases derived from -hydroxy--methoxy benzaldehyde: Synthesis, x-ray studies and hydrogen bonding attributes. Molecular Crystals and Liquid Crystals, 629. pp. 146-157.

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Abstract

The o-hydroxy Schiff bases consisting of N’-[(Z)-(2-hydroxy-4- methoxyphenyl)methylidene]pyridine-4-carbohydrazide and N’-[(Z)- (2-hydroxy-4-methoxyphenyl)methylidene]pyridine-3-carbohydrazide were prepared by reaction of isonicotinic acid hydrazide and nicotinic acid hydrazide by employing 2-hydroxy-4-methoxy benzaldehyde. The spectroscopic techniques, X-ray crystal structure determination as well as DFT calculations have been carried out to shed light on the nature of hydrogen bonding. The both experimental and theoretical investigations demonstrate the presence of intramolecular neutral hydrogen bonding (enol-imine type) in these molecules.

Item Type: Article
Uncontrolled Keywords: Hydrogen bonding; NMR; o-hydroxy Schiff base; X-ray
Subjects: 500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 24 Organic Chemistry
Divisions: Food Safety Analytical Quality Control Lab
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 24 Nov 2016 07:15
Last Modified: 24 Nov 2016 07:15
URI: http://172.16.1.6/id/eprint/12563

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