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Synthesis and Characterization of Centhaquin and Its Citrate Salt and a Comparative Evaluation of Their Cardiovascular Actions

Synthesis and Characterization of Centhaquin and Its Citrate Salt and a Comparative Evaluation of Their Cardiovascular Actions

M S J Reniguntala, M S Lavhale, S V Andurkar, A Gulati

Drug Res (Stuttg). 2015 Apr;65(4):184-91.

PMID: 24831242

Abstract:

Centhaquin is a compound that produces hypotension and bradycardia in higher doses and resuscitation in lower doses. It is water insoluble, and is unsuitable for intravenous use. We prepared the citrate salt of centhaquin and evaluated its cardiovascular efficacy vs. centhaquin. Centhaquin citrate was prepared and characterized; its purity was determined by HPLC. Mean arterial pressure (MAP), heart rate (HR), pulse pressure (PP), cardiac output (CO), stroke volume (SV) and stroke work (SW) following intravenous administration of centhaquin and the citrate (0.05, 0.15 and 0.45 mg.kg(-1)) were determined in anaesthetized male Sprague-Dawley rats. Centhaquin citrate was 99.8% pure and water soluble. Centhaquin (0.05, 0.15 and 0.45 mg.kg(-1)) produced a maximal decrease in MAP of 15.6, 25.2 and 28.1%, respectively; while centhaquin citrate produced a greater (p<0.001) decrease of 35.7, 47.1 and 54.3%, respectively. The decrease in PP and HR produced by the citrate was greater than centhaquin (p<0.001). At 0.45 mg.kg(-1) centhaquin produced a maximal decrease of 20.9% (p<0.01) in CO, while centhaquin citrate produced a decrease of 42.1% (p<0.001). Reduction in SV (p<0.01) and SW (p<0.001) produced by centhaquin citrate were greater than centhaquin. Centhaquin citrate has greater cardiovascular activity compared to centhaquin.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP13900124	Butethamate citrate salt		13900-12-4	Price

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