4,5-dihydro-1h-1,2,4-triazole-3-carboxamide derivatives and...

Details 4,5-dihydro-1h-1,2,4-triazole-3-carboxamide derivatives and... 4,5-dihydro-1h-1,2,4-triazole-3-carboxamide derivatives and...

C - Chemistry, Metallurgy

07

D

260/313.3, 71/8.

C07D 249/10 (2006.01) A01N 43/653 (2006.01)

Patent

CA 1320963

- 43 - ABSTRACT OF THE DISCLOSURE: Disclosed herein is a 4,5-dihydro-1H-1,2,4- triazole-3-carboxamide derivative represented by the formula (I): (I) Image wherein R represents a straight-chain alkyl group having 1 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms or a branched alkyl group having 3 to 10 carbon atoms which is non-substituted or substituted with 1 to 19 fluorine atoms; X1 represents a halogen atom or an alkyl group having 1 to 3 carbon atoms; X represents hydrogen atom, a halogen atom or an alkyl group having 1 to 3 carbon atoms; Y1 represents hydrogen atom or fluorine atom; and Y2 represents hydrogen atom or fluorine atom. The derivatives of the formula (I) have high herbicidal activities and also show a excellent selectivity in their actions for killing weeds alone while doing any practical harm to the crops such as rice, wheat and corn.

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