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- W2182163534 abstract "In an effort to establish new candidates with improved antiherbal activities we report here the synthesis and herbicidal evaluation of various series of â-methyl crotonitrile benzoxazoles, a-(benzoxazole-2-yl)- â- cycloalkylidene crotonitrile (3) and 3-(benzoxazole-2-yl)-2-mercapto-4- methyl-6-pyridinethione (10) together with the synthesis of some substituted benzoxazolyl anilines(5,7,9).The herbicidal evaluation of these compounds was carried out on wheat as pattern for monocotyledonous plants under laboratory conditions. Three plant parameters, seed germination, root and shoot growth of wheat seeds were taken as indicators for the herbicidal efficiency of the newly synthesized compounds. The most active compounds that showed an observable inhibition effect on the process of germination, root and shoot growth or one of them were (3),(5b),(5c),(9a) and (9c) so that, they were rescreened by a serial of concentrations to stand on the most potent derivative. Their EC 50 values were calculated and showed that compound (9a) was the most potent and greatly inhibited shoot growth (EC 50 , 1.4mg/ml). (S.E.S. Hamouda, Nermeen. S. Abbas, S.M.A. Sherif, and A.M.A. Elkady. â-Methyl Crotonitrile in Synthesis of Some New Compounds and Evaluation of Their Herbicidal Efficiency. Journal of American Science 2011;7(3):278-286). (ISSN: 1545-1003). http://www.americanscience.org ." @default.
- W2182163534 created "2016-06-24" @default.
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- W2182163534 date "2011-01-01" @default.
- W2182163534 modified "2023-09-27" @default.
- W2182163534 title "â-Methyl Crotonitrile in Synthesis of Some New Compounds and Evaluation of Their Herbicidal Efficiency" @default.
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- W2182163534 hasPublicationYear "2011" @default.
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