Substituted pyridine 1-oxide herbicides
US4394155A · kind A · utility
1Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1981 |
| Grant date | Jul 19, 1983 |
| Priority date | — |
| Expiry date | Feb 5, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N43/40
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the following formula are effective as premergence herbicides: ##STR1## wherein R and R.sup.1 may be the same or different and are C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, phenyl or halogen, provided that R or R.sup.1 is not halogen if attached in the 3- position of the pyridine ring, and R or R.sup.1 may further be hydrogen provided that one of them is one of the recited moieties other than hydrogen; R.sup.2 is hydrogen, halogen, methyl or ethyl; R.sup.3 is phenyl or phenyl substituted with halogen, C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, or nitro; and n is 1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.