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Photosynthesis-Inhibiting efficiency of 4-chloro-2-(chlorophenylcarbamoyl)phenyl alkylcarbamates

Ales Imramovsky, Matus Pesko, Juana Monreal Ferriz, Katarina Kralova, Jarmila Vinsova, Josef Jampilek

. 2011 ; 21 (15) : 4564-4567. [pub] 20110612

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc12028197

Grantová podpora
NS10367 MZ0 CEP - Centrální evidence projektů

A series of photosynthetic electron transport (PET) inhibitors from the group of salicylanilide alkylcarbamates was investigated. The compounds were analyzed using RP-HPLC to determine lipophilicity, and their PET inhibition was determined in spinach (Spinacia oleracea L.) chloroplasts. The site of action of the studied compounds is situated at the donor site of photosystem 2 (PS 2). Compounds substituted by chlorine in C'-3 and C'-4 of the aniline ring and the optimal length of the alkyl chain pentyl-heptyl in the carbamate moiety provided the most active PET inhibitors (IC(50) inhibition <10 μmol/L). Disubstitution in C'-3,4 by chlorine caused significant PET inhibiting activity decrease. Nevertheless, for all three series of C'-3, C'-4, C'-3,4 compounds, the dependence of PET activity on lipophilicity showed to be quasi-parabolic.

Citace poskytuje Crossref.org

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$a A series of photosynthetic electron transport (PET) inhibitors from the group of salicylanilide alkylcarbamates was investigated. The compounds were analyzed using RP-HPLC to determine lipophilicity, and their PET inhibition was determined in spinach (Spinacia oleracea L.) chloroplasts. The site of action of the studied compounds is situated at the donor site of photosystem 2 (PS 2). Compounds substituted by chlorine in C'-3 and C'-4 of the aniline ring and the optimal length of the alkyl chain pentyl-heptyl in the carbamate moiety provided the most active PET inhibitors (IC(50) inhibition <10 μmol/L). Disubstitution in C'-3,4 by chlorine caused significant PET inhibiting activity decrease. Nevertheless, for all three series of C'-3, C'-4, C'-3,4 compounds, the dependence of PET activity on lipophilicity showed to be quasi-parabolic.
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$a Pesko, Matus $u Department of Ecosozology and Physiotactics, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia
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