Biological properties of 2 1 benzisothiazoles 7. phyto toxicity of mono alkylamides of 2 1 benzisothiazole 3 carboxylic acid

Coghi, E.; Branca, C.; Massimo, G.

Ateneo Parmense Acta Naturalia 15(3): 211-216


Accession: 004838330

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A series of new alkylamides of 2,1-benzisothiazol-3-carboxylic acid was synthesized and tested for phytotoxicity against 3 representative plants, Triticum vulgare L., Cucumis sativus L. and Pisum sativum L., by Ochiai's method. Most of the substances showed modest, but selective herbicidal power; some compounds reached high values of effectiveness. The reversing of the -CO-NH-R group in the -NH-CO-R group, in the position 3 of 2,1-benzisothiazol nucleus, did not make substantial qualitative and quantitative changes in phytotoxicity.