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- Title
Synthesis and Biological Evaluation of N-Alkyl-3-(alkylamino)-pyrazine-2-carboxamides.
- Authors
Semelkova, Lucia; Konecna, Klara; Paterova, Pavla; Kubicek, Vladimir; Kunes, Jiri; Novakova, Lucie; Marek, Jan; Naesens, Lieve; Pesko, Matus; Kralova, Katarina; Dolezal, Martin; Zitko, Jan
- Abstract
A series of N-alkyl-3-(alkylamino)pyrazine-2-carboxamides and their N-alkyl-3-chloropyrazine-2-carboxamide precursors were prepared. All compounds were characterized by analytical methods and tested for antimicrobial and antiviral activity. The antimycobacterial MIC values against Mycobacterium tuberculosis H37Rv of the most effective compounds, 3-(hexylamino)-, 3-(heptylamino)- and 3-(octylamino)-N-methylpyrazine-2-carboxamides 14-16, was 25 μg/mL. The compounds inhibited photosystem 2 photosynthetic electron transport (PET) in spinach chloroplasts. This activity was strongly connected with the lipophilicity of the compounds. For effective PET inhibition longer alkyl chains in the 3-(alkylamino) substituent in the N-alkyl-3-(alkylamino)pyrazine-2-carboxamide molecule were more favourable than two shorter alkyl chains.
- Subjects
ALKYLPYRAZINES; CARBOXAMIDES; CHEMICAL synthesis; ANTIVIRAL agents; MYCOBACTERIUM tuberculosis; PHOTOSYSTEMS; ELECTRON transport
- Publication
Molecules, 2015, Vol 20, Issue 5, p8687
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules20058687