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Pakistan Journal of Pharmaceutical Sciences. 2014; 27 (4): 925-929
en Inglés | IMEMR | ID: emr-152603

RESUMEN

Dissociation constant [pKa] of ten novel phenacyl derivatives of piperidine were determined by potentiometric titration method in aqueous medium at room temperature [25 +/- 0.5oC]. The sample solutions were prepared in deionized water with ionic strength 0.01M and titrated with 0.1M NaOH solution. In addition, DELTAG values were also calculated. Different prediction software programs were used to calculate pKa values too and compared to the experimentally observed pKa values. The experimental and theoretical values were found in close agreement. The results obtained in this research would help to predict the good absorption of the studied compounds and can be selected as lead molecules for the synthesis of CNS active agents because of their lipophilic nature especially compound VII

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