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Synthesis and fungicidal activity of dehydroabietyl-1,2,4-triazolo-thiazolidinones
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Xue-Tang Xu
,
Li Chen
Published/Copyright:
August 28, 2012
Abstract
In search of novel potent bioactive compounds, a series of novel dehydroabietic acid derivatives bearing 1,2,4-triazolo-thiazolidinone moieties were designed and synthesized. Seven compounds were synthesized of the type 6-substituted benzylidene-3-dehydroabietyl-thiazolo[2,3-c][1,2,4]triazol-5-ones. To this purpose a condensation reaction was performed with 3-dehydroabietyl-thiazolo[2,3-c][1,2,4]triazol-5-one and various aromatic aldehydes. All the title compounds were analyzed and characterized by means of IR, MS, 1H NMR, 13C NMR, and elemental analysis. A preliminary bioassay showed that, at a concentration of 50 μg ml-1, the target compounds exhibited the best fungicidal activity against Fusarium graminearum (F. graminearum) of the five fungi tested (F. oxysporum f. cucumerinum, Alternaria solani, Physalospora piricola, Cercospora arachidicola, and F. graminearum).
Received: 2012-2-17
Accepted: 2012-07-30
Published Online: 2012-08-28
Published in Print: 2013-01-01
©2013 by Walter de Gruyter Berlin Boston
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Keywords for this article
dehydroabietic acid;
fungicidal activity;
synthesis;
1,2,4-triazole-thiazolidinone
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- Silica content of 36 Brazilian tropical wood species
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- Effects of hydrothermal processing on the cellulosic fraction of Eucalyptus globulus wood
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