Condensed heterocyclic derivatives and herbicides

Plant protecting and regulating compositions – Plant growth regulating compositions – Organic active compound containing

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544198, 544207, 544212, 544209, 544219, 544180, 544217, 544218, 544216, C07D40310, C07D40510, C07D40910, A01N 4366

Patent

active

057705445

ABSTRACT:
A condensed heterocyclic derivative of the formula ##STR1## (wherein R is a hydroxyl group, R.sup.3 or R.sup.4 is an alkoxy group, W is an oxygen atom, Yn is a hydrogen atom, Z is a methine group, and A is a 5- or 6-membered heterocyclic ring which may be substituted, and a herbicide, are presented. When used for paddy field treatment, upland soil treatment and foliage treatment, the condensed heterocyclic derivative of the present invention exhibits excellent herbicidal activities against gramineous and non-gramineous weeds without adversely affecting crop plants.

REFERENCES:
patent: 5616537 (1997-04-01), Pokota et al.

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