alexa Synthesis and evaluation of dinitroanilines for treatment of cryptosporidiosis.
Chemical Engineering

Chemical Engineering

Journal of Analytical & Bioanalytical Techniques

Author(s): Benbow JW, Bernberg EL, Korda A, Mead JR

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Abstract The efficacy of a series of dinitroaniline herbicide derivatives for the treatment of Cryptosporidium parvum infections has been studied. The lead compounds oryzalin (compound 1) and trifluralin (compound 2) have low water solubility (<3 ppm) which was alleged to be a major contributor to their poor pharmacokinetic availability. Derivatives of compounds 1 and 2 were synthesized. In these derivatives the functionality at the C-1 amine position or the C-4 position was substituted with groups with various hydrophilicities to determine if a direct relation existed between water solubility and overall activity. The chlorinated precursors of these derivatives were also examined and were found to be less active in the C. parvum assays, a result in direct contrast to earlier work with Leishmania. Enhanced water solubility alone did not overcome the drug availability problem; however, several candidates with similar activities but with toxicities lower than those of the lead compounds were produced.
This article was published in Antimicrob Agents Chemother and referenced in Journal of Analytical & Bioanalytical Techniques

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