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Asian Journal of Research in Chemistry
Year : 2018, Volume : 11, Issue : 1
First page : ( 43) Last page : ( 50)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2018.00010.X

Effect of substituent on the 13C-NMR chemical shifts of substituted 5-benzylidenebarbituric acids

Mohandass P.1, Radhakrishnan K.1,*, Manimekalai S.2, Suriyanarayanan V.3, Radhakrishnan S.4

1Research Department of Chemistry, Saraswathi Narayanan College, Perungudi, Madurai-625022, Tamil Nadu, India

2Department of Chemistry, E.M.G. Yadava Women's College, Madurai, Tamil Nadu, India

3Electro-organic Chemistry Division, CSIR-CECRI, Karaikudi-630003, Tamil Nadu, India

4Central Instrumentation Facilities, CSIR-CECRI, Karaikudi-630003, Tamil Nadu, India

*Corresponding Author E-mail: prskradha61@gmail.com

Online published on 26 March, 2018.

Abstract

Substituted 5-benzylidenebarbituric acids have been prepared and characterized by 1H and 13C NMR spectral analysis. Investigation of substituents effect and mode of transmission of electronic effects have been carried out by 13C NMR chemical shifts measurement and correlated it with LFER parameters in substituted 5benzylidenebarbituric acids.

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Keywords

1H and 13C NMR, substituted 5-benzylidenebarbituric acids, substituent effects.

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