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Molecules 2011, 16(3), 2414-2430; doi:10.3390/molecules16032414

Investigating Spectrum of Biological Activity of 4- and 5-Chloro-2-hydroxy-N-[2-(arylamino)-1-alkyl-2-oxoethyl]benzamides

1
Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentska 573, 532 10 Pardubice, Czech Republic
2
Institute of Chemistry, Faculty of Natural Sciences, Comenius University, Mlynska dolina Ch-2, 842 15 Bratislava, Slovakia
3
Department of Clinical Microbiology, Charles University Medical School and Teaching Hospital, Sokolska 581, Hradec Kralove 500 05, Czech Republic
4
Laboratory for Mycobacterial Diagnostics and TB, Institute of Public Health in Ostrava, Partyzanske namesti 7, 702 00 Ostrava, Czech Republic
5
Department of Inorganic and Organic Chemistry, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
6
Department of Chemical Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackeho 1/3, 612 42 Brno, Czech Republic
*
Authors to whom correspondence should be addressed.
Received: 11 January 2011 / Revised: 7 March 2011 / Accepted: 11 March 2011 / Published: 14 March 2011
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Abstract

In this study, a series of twenty-two 5-chloro-2-hydroxy-N-[2-(arylamino)-1-alkyl-2-oxoethyl]benzamides and ten 4-chloro-2-hydroxy-N-[2-(arylamino)-1-alkyl-2-oxoethyl]benzamides is described. The compounds were analyzed using RP-HPLC to determine lipophilicity. Primary in vitro screening of the synthesized compounds was performed against mycobacterial, bacterial and fungal strains. They were also evaluated for their activity related to the inhibition of photosynthetic electron transport (PET) in spinach (Spinacia oleracea L.) chloroplasts. The compounds showed biological activity comparable with or higher than the standards isoniazid, fluconazole, penicillin G or ciprofloxacin. For all the compounds, the relationships between the lipophilicity and the chemical structure of the studied compounds as well as their structure-activity relationships are discussed.
Keywords: salicylanilide derivates; lipophilicity; in vitro antimycobacterial activity; in vitro antifungal activity; in vitro antibacterial activity; PET inhibition; spinach chloroplasts; structure–activity relationships salicylanilide derivates; lipophilicity; in vitro antimycobacterial activity; in vitro antifungal activity; in vitro antibacterial activity; PET inhibition; spinach chloroplasts; structure–activity relationships
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Imramovsky, A.; Pesko, M.; Kralova, K.; Vejsova, M.; Stolarikova, J.; Vinsova, J.; Jampilek, J. Investigating Spectrum of Biological Activity of 4- and 5-Chloro-2-hydroxy-N-[2-(arylamino)-1-alkyl-2-oxoethyl]benzamides. Molecules 2011, 16, 2414-2430.

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