Research Article

AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP

Volume: 40 January 1, 1994
Ahlam M. A. Helmy
EN

AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP

Abstract

Potentiometric pKa and polarographic behaviour of 1, 3-indandione-monoxime and four of its substituted derivatives were investigated in buffer solution of pH ~ 2-12. The results showed that the compounds are in the azo-form, where its reduction wave precedes that of the oxime. A mechanism for the electrodic processes was proposed. Half-wave potentials showed fair cor- relation with Hammett’s er constants while pKa is practically independent.

Keywords

AZO - HYDRAZO, POLAROGRAPHIC, HETEROCYCLIC

References

  1. Azo-hydrazo tautomerism: Further evidence based on polarographic reduction and acidity function of some heterocyclic compounds containing oximino-group
APA
Helmy, A. M. A. (1994). AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering, 40, 1-2. https://doi.org/10.1501/Commub_0000000414
AMA
1.Helmy AMA. AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP. Commun. Fac. Sci. Univ. Ank. Ser. B. 1994;40:1-2. doi:10.1501/Commub_0000000414
Chicago
Helmy, Ahlam M. A. 1994. “AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 40 (January): 1-2. https://doi.org/10.1501/Commub_0000000414.
EndNote
Helmy AMA (January 1, 1994) AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 40 1–2.
IEEE
[1]A. M. A. Helmy, “AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP”, Commun. Fac. Sci. Univ. Ank. Ser. B, vol. 40, pp. 1–2, Jan. 1994, doi: 10.1501/Commub_0000000414.
ISNAD
Helmy, Ahlam M. A. “AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 40 (January 1, 1994): 1-2. https://doi.org/10.1501/Commub_0000000414.
JAMA
1.Helmy AMA. AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP. Commun. Fac. Sci. Univ. Ank. Ser. B. 1994;40:1–2.
MLA
Helmy, Ahlam M. A. “AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering, vol. 40, Jan. 1994, pp. 1-2, doi:10.1501/Commub_0000000414.
Vancouver
1.Ahlam M. A. Helmy. AZO - HYDRAZO TAUTOMERISM: FURTHER EVIDENCE BASED ON POLAROGRAPHIC REDUCTION AND ACIDITY FUNCTION OF SOME HETEROCYCLIC COMPOUNDS CONTAINING OXIMINO - GROUP. Commun. Fac. Sci. Univ. Ank. Ser. B. 1994 Jan. 1;40:1-2. doi:10.1501/Commub_0000000414