YAKHAK HOEJI (약학회지)

The Pharmaceutical Society of Korea (대한약학회)
권호 표지

Determination of Stability Constants for $\beta$-Blocker and Carboxymethyl-$\beta$-cyclodextrin Complexes by Capillary Electrophoresis

모세관 전기영동법을 이용한 베타차단제-시클로덱스트린 포접화합물의 안정도상수 결정

  • Published : 2003.08.01
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Abstract

The stability constants for the inclusion complexes between carboxymethyl-$\beta$-cyclodextrin (CM-$\beta$-CD) and five $\beta$-blockers, such as atenolol (ATE), bisoprolol (BIS), metoprolol (MET), pindolol (PIN) and propranolol (PRO) were determined by capillary electrophoresis. The magnitude of stability was decreased as following order; PRO＞MET＞BIS＞ATE＞PIN. Among them PRO showed the highest affinity towards CM-$\beta$-CD with stability constants of 383 and 371 $M^{-l}$ for (R)- and (S)-enantiomer, respectively. PIN enantiomers showed the lowest stability towards CM-$\beta$-CD, while the selectivity between (R)- and (S)-enantiomer was higher than any other tested $\beta$-blocker.r.

Keywords

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