Thermal oxidative destruction of isomeric dipyrrolylmethanes |
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Authors: | G B Guseva E V Antina A I Vyugin |
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Institution: | (1) Institute of Solution Chemistry, Russian Academy of Sciences, 1 Akademicheskaya Street, 153045 Ivanovo, Russia |
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Abstract: | 3,3′,4,4′-tetramethyl-5,5′-dicarboethoxydipyrrolylmethane-2,2′ and its α,β and β,β′ isomers were synthesized. The compounds
were characterized by recording of their proton NMR spectra. The thermal oxidative destruction of the compounds was studied
by thermogravimetry. The thermal stability of dipyrrolylmethanes was found to be primarily characterised by molecular isomerism
for symmetrically substituted α,α′-and β,β′-dipyrrolylmethanes compared with α,β isomer. |
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Keywords: | dipyrrolylmethanes isomerism thermal oxidative destruction thermogravimetric method |
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