Kinetics of azidation of isomeric benzenedicarbonitriles View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2009-06

AUTHORS

E. A. Popova, Yu. N. Pavlyukova, E. V. Popov, V. A. Ostrovskii, R. E. Trifonov

ABSTRACT

Rate constants and activation parameters of two-step azidation of isomeric dicyanobenzenes with dimethylammonium azide in DMF at 70–100°C were determined. Tetrazole rings are formed from cyano groups in dicyanobenzenes in a stepwise mode following the 1,3-dipolar cycloaddition pattern. The rate of azidation of isomeric dicyanobenzenes is considerably higher than the rate of subsequent azidation of intermediate cyanophenyltetrazolides. The azidation rate constant decrease in going from m-dicyanobenzene to its para and ortho isomers. More... »

PAGES

890-894

References to SciGraph publications

  • 2007-04. Basicity of isomeric ditetrazolylbenzenes and their N-tert-butyl derivatives in RUSSIAN JOURNAL OF ORGANIC CHEMISTRY
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1134/s1070428009060153

    DOI

    http://dx.doi.org/10.1134/s1070428009060153

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