Synthesis, Configuration, and Antimicrobial Properties of Novel Substituted and Cyclized '2′,3″-Thiazachalcones'

Nine new thiazachalcone‐based drugs, compounds 1–9, were prepared and fully characterized. The configurations of the photochemical‐dimerization products 7–9 were rationalized by semi‐empirical calculations. Both the experimental data and the theoretical calculations showed that the δ‐truxinic acid t...

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Veröffentlicht in:	Helvetica chimica acta 2007-08, Vol.90 (8), p.1482-1490
Hauptverfasser:	Usta, Asu, Yaşar, Ahmet, Yılmaz, Nagihan, Güleç, Canan, Yaylı, Nuran, Karaoğlu, Şengül Alpay, Yaylı, Nurettin
Format:	Artikel
Sprache:	eng
Schlagworte:	2 2′,2″‐Thiazachalcones 2″-Thiazachalcones Antimicrobial activity Photodimerization Staphylococcus aureus
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description	Nine new thiazachalcone‐based drugs, compounds 1–9, were prepared and fully characterized. The configurations of the photochemical‐dimerization products 7–9 were rationalized by semi‐empirical calculations. Both the experimental data and the theoretical calculations showed that the δ‐truxinic acid type dimer is the most stable isomer of all. All compounds were tested for their antibacterial and antifungal activities. The N‐alkylated congeners 4–6 showed strong antimicrobial activities against various bacteria and a yeast‐like fungus. The MIC and MBC values were as low as 0.1 μg/ml. All the compounds were active against the Gram‐positive bacterium Staphylococcus aureus.
doi_str_mv	10.1002/hlca.200790154
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subjects	2 2′,2″‐Thiazachalcones 2″-Thiazachalcones Antimicrobial activity Photodimerization Staphylococcus aureus
title	Synthesis, Configuration, and Antimicrobial Properties of Novel Substituted and Cyclized '2′,3″-Thiazachalcones'
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