Research Article

Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry

Volume: 4 Number: 2 April 23, 2024
EN

Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry

Abstract

The determination of pKa values holds paramount importance in the field of medicinal chemistry, serving as a critical parameter for understanding the ionization behavior of pharmaceutical compounds. This study employs potentiometric titration as a precise method to elucidate the pKa values of diverse molecules. The experimental methodology involved a carefully controlled titration setup, utilizing a pH meter to monitor the titration curve and identify inflection points corresponding to the dissociation of acidic or basic functional groups.

Keywords

References

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  4. 4. Bacarella A, Grunwald E, Marshall H, Purlee EL. The potentiometric measurement of acid dissociation constants and pH in the system methanol-water. pKa values for carboxylic acids and anilinium ions. The Journal of Organic Chemistry. 1955;20(6):747-762. [CrossRef]
  5. 5. Avdeef A, Comer JE, Thomson SJ. pH-Metric log P. 3. Glass electrode calibration in methanol-water, applied to pKa determination of water-insoluble substances. Analytical Chemistry. 1993;65(1):42-49. [CrossRef]
  6. 6. Benet LZ, Goyan JE. Potentiometric determination of dissociation constants. Journal of Pharmaceutical Sciences. 1967;56(6):665-680. [CrossRef]
  7. 7. Ravichandiran V, Devarajan V, Masilamani K. Determination of ionization constant (pKa) for poorly soluble drugs by using surfactants: a novel approach. Der Pharmacia Lettre. 2011;3(4):183-92.
  8. 8. Völgyi G, Ruiz R, Box K, et al. Potentiometric and spectrophotometric pKa determination of water-insoluble compounds: validation study in a new cosolvent system. Analytica Chimica Acta. 2007;583(2):418-428. [CrossRef]

Details

Primary Language

English

Subjects

Pharmacology and Pharmaceutical Sciences (Other), Clinical Chemistry

Journal Section

Research Article

Publication Date

April 23, 2024

Submission Date

January 25, 2024

Acceptance Date

March 14, 2024

Published in Issue

Year 2024 Volume: 4 Number: 2

APA
Ünal, D., & Aydoğdu, S. N. (2024). Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry. Pharmata, 4(2), 46-50. https://izlik.org/JA98YA34ZR
AMA
1.Ünal D, Aydoğdu SN. Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry. Pharmata. 2024;4(2):46-50. https://izlik.org/JA98YA34ZR
Chicago
Ünal, Durişehvar, and Safiye Nihal Aydoğdu. 2024. “Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of PKa Values in Medicinal Chemistry”. Pharmata 4 (2): 46-50. https://izlik.org/JA98YA34ZR.
EndNote
Ünal D, Aydoğdu SN (April 1, 2024) Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry. Pharmata 4 2 46–50.
IEEE
[1]D. Ünal and S. N. Aydoğdu, “Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry”, Pharmata, vol. 4, no. 2, pp. 46–50, Apr. 2024, [Online]. Available: https://izlik.org/JA98YA34ZR
ISNAD
Ünal, Durişehvar - Aydoğdu, Safiye Nihal. “Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of PKa Values in Medicinal Chemistry”. Pharmata 4/2 (April 1, 2024): 46-50. https://izlik.org/JA98YA34ZR.
JAMA
1.Ünal D, Aydoğdu SN. Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry. Pharmata. 2024;4:46–50.
MLA
Ünal, Durişehvar, and Safiye Nihal Aydoğdu. “Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of PKa Values in Medicinal Chemistry”. Pharmata, vol. 4, no. 2, Apr. 2024, pp. 46-50, https://izlik.org/JA98YA34ZR.
Vancouver
1.Durişehvar Ünal, Safiye Nihal Aydoğdu. Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry. Pharmata [Internet]. 2024 Apr. 1;4(2):46-50. Available from: https://izlik.org/JA98YA34ZR

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