Pyridine derivatives, their production and use

C - Chemistry – Metallurgy – 07 – D

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C07D 213/61 (2006.01) A01N 43/40 (2006.01) A01N 47/06 (2006.01) A01N 47/12 (2006.01) A01N 53/00 (2006.01) C07D 213/68 (2006.01)

Patent

CA 1096383

ABSTRACT OF THE DISCLOSURE The invention relates to novel 2-chloro-3,5- diiodopyridine derivatives and to processes for their preparation, The novel compounds possess herblcidal activity and are effective via leaf or soil treatment. The invention thus also relates to herbicidally compositions comprising the novel compounds as active ingredient as well as to the methods for controlling undesired vegetation using the novel compounds. The compositions of the present invention possess a marked herbicidal activity and in high concentrations serve as total herbicides. In lower concentrations, however, the compositions are of use in the selective control of broad-leaf weeds in the presence of crop plants. Processes for the production of the novel compounds are described and examples of certain of the novel compounds are given. Herbicidal compositions containing the active compounds are described and exemplified.

302519

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