| abstract |
The invention discloses a compound containing a triazole structure, a preparation method thereof and application as a herbicide. The structural formula of the compound containing the triazole structure is shown in formula I. In formula I, R represents allyl, alkyl acyl with 1 to 20 carbon atoms, substituted or unsubstituted benzoyl, O, O-di Methylphosphorothioate, phenyl, phenoxyacetyl, 3-phenyl-2-acryloyl or 2,6-dinitro-4-trifluoromethylphenyl. The preparation method of the compound represented by the formula I provided by the present invention comprises the following steps: under the catalysis of a base, 3-amino-1H-1,2,4-triazole and an electrophile undergo an electrophilic substitution reaction to obtain the formula Compounds shown in I. The herbicide provided by the present invention can be used for controlling weeds, dogtail, crabgrass, goosegrass, black nightshade, amaranth, velvetleaf, quinoa, humulus, Kochia, field bindweed, amaranth, mountain bittern and early blooming Viola. |