Heterocyclic phenyl ethers and herbicides containing same

Details Heterocyclic phenyl ethers and herbicides containing same Heterocyclic phenyl ethers and herbicides containing same

C - Chemistry, Metallurgy

07

D

260/300, 260/308

C07D 263/58 (2006.01) A01N 43/52 (2006.01) A01N 43/74 (2006.01) A01N 47/12 (2006.01) A01N 47/16 (2006.01) A01N 47/18 (2006.01) A01N 47/20 (2006.01) C07D 235/26 (2006.01) C07D 277/68 (2006.01)

Patent

CA 1095042

Abstract of the disclosure : Compounds of the formula Image I in which (R)n is hydrogen, halogen, CF3, NO2, CN, alkyl, alkoxy or alkyl- thio, A is O, S, NB, or N-alkyl, R1 is hydrogen or alkyl and Z is a carboxylic acid, carboxylic ester, thiol ester, carbon- amido, carbohydrazide, thioamide nitrile, hydroxymethyl, acyloxymethyl, carbamoylmethyl, or sulfonyloxymethyl group, are valuable herbicides for the selective control of weed grasses. The novel compounds are prepared by known methods, for example by reacting halo-benzthiazoles, -benzoxazoles or -benzimidazoles with unilaterally etherified hydroquinones.

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