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Hydrolysis of 2-phenylbenzoxazole and o-benzamidophenol in aqueous solutions of sulfuric acid

  • V. N. Kulagin
  • T. P. Esakova
  • Yu. V. Moiseev
  • G. E. Zaikov
  • É. F. Brin
  • G. M. Tseitlin
  • V. V. Korshak
Physical Chemistry

Conclusions

  1. 1.

    The kinetics of the hydrolysis of 2-phenylbenzoxazole, the hydrolysis and cyclization of o-benzamidophenol were studied spectrophotometrically.

     
  2. 2.

    The effective rate constant of the hydrolysis of 2-phenylbenzoxazole decreases with increasing H2SO4 concentration, while the effective rate constants of the hydrolysis and cyclization of o-benzamidophenol have maxima.

     
  3. 3.

    The dependence of the effective rate constants of the hydrolysis of 2-phenylbenzoxazole and the cyclization of o-benzamidophenol on the acid concentration is described by the same equations as the hydrolysis of amides, but in contrast to amides, in relatively weak solutions of acids 2-phenylbenzoxazole is already appreciably protonated.

     

Keywords

Hydrolysis Aqueous Solution Amide Sulfuric Acid H2SO4 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1975

Authors and Affiliations

  • V. N. Kulagin
    • 1
    • 2
  • T. P. Esakova
    • 1
    • 2
  • Yu. V. Moiseev
    • 1
    • 2
  • G. E. Zaikov
    • 1
    • 2
  • É. F. Brin
    • 1
    • 2
  • G. M. Tseitlin
    • 1
    • 2
  • V. V. Korshak
    • 1
    • 2
  1. 1.Institute of Chemical PhysicsAcademy of Sciences of the USSRMoscow
  2. 2.D. I. Mendeleev Moscow Chemicotechnological InstituteUSSR

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