Spectroscopic investigation of the donor-acceptor interaction between o-phenylenediamine and tetracyanoethylene in dichloromethane

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Spectroscopic investigation of the donor-acceptor interaction between o-phenylenediamine and tetracyanoethylene in dichloromethane

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dc.contributor.author Aljaber, A.S.
dc.contributor.author Nour, E-M.
dc.date.accessioned 2009-12-28T08:56:42Z
dc.date.available 2009-12-28T08:56:42Z
dc.date.issued 2007-08-01
dc.identifier.citation Volume 70, Issue 5, October 2008, Pages 997-1000 en_US
dc.identifier.uri http://dx.doi.org/10.1016/j.saa.2007.08.026
dc.identifier.uri http://hdl.handle.net/10576/10525
dc.description.abstract The interaction between the electron donor o-phenylenediamine (o-phendn) and the π-acceptor tetracyanoethylene (TCNE) has been investigated spectrophotometrically in dichloromethane at 25 °C. The results indicate that the reaction proceeds via two major steps. The formation of the 1:2 charge-transfer complex [(o-phendn)2, (TCNE)4] in which two o-phenylenediamine molecules undergoes slow N-substitution by one TCNE forming the final reaction product 2,2-di-o-aminoaniline-1,1-dicyanoethylene and 2HCN molecules. The reaction was studied using electronic, infrared, photometric titration and cyclic voltametric measurements. A general mechanism for the reactions is proposed. en_US
dc.language.iso en en_US
dc.subject Charge-transfer en_US
dc.subject o-Phenylenediamine en_US
dc.subject Tetracyanoethylene en_US
dc.subject Spectra en_US
dc.title Spectroscopic investigation of the donor-acceptor interaction between o-phenylenediamine and tetracyanoethylene in dichloromethane en_US
dc.type Article en_US

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