1,2,4-triazolo-[1,5a]pyrimidin-2-yl derivatives

Details 1,2,4-triazolo-[1,5a]pyrimidin-2-yl derivatives 1,2,4-triazolo-[1,5a]pyrimidin-2-yl derivatives

1991-05-29

1992-12-29

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Pteroyl per se or having -c-, wherein x is chalcogen, bonded...

C07D48704

Patent

active

051752891

ABSTRACT:
The present invention relates to the novel use of antidotes of formula I ##STR1## wherein R.sup.1 is C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.6 cycloalkyl, and each of R.sup.2 and R.sup.3, independently of the other, is hydrogen, C.sub.1 -C.sub.3 alkyl, trifluoromethyl or cyclopropyl, with the proviso that only one of the symbols R.sup.2 and R.sup.3 may be hydrogen, for protecting cultivated plants from the phytotoxic action of herbicides. The invention relates also to novel compounds and the preparation thereof and to novel intermediates and the preparation thereof. The invention further relates to herbicidal compositions that contain a combination of herbicide and antidote and to corresponding methods of controlling weeds. Finally, the invention relates also to the seeds of cultivated plants protected by the treatment with the antidote.

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Sato et al. Chem. Abstr. vol. 89 Entry 163000z Abstracting.

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