1,2,4-triazolo[1,5-A]pyridi midin-2-ylsulfonyl-3-aminothiophene-2-carboxylic esters as antidotes for certain herbicides
US5041157A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 5, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Jan 5, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N25/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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 composition that contain a combination of herbicide and antidote and to corresponding method of controlling weeds. Finally, the invention relates also to the seeds of cultivated plants protected by the treatment with the antidote.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.