Substituted ureas as herbicides
US4045209A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1975 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Sep 22, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C323/44
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel urea derivatives of the formula ##STR1## wherein R and R.sub.1 are individually selected from the group consisting of hydrogen, chlorine, bromine, nitro, trifluoromethyl, lower alkyl of 1 to 6 carbon atoms and lower alkoxy of 1 to 6 carbon atoms, n is 0 or 1, X is selected from the group consisting of lower alkyl of 1 to 6 carbon atoms optionally substituted with halogen and a nitrogen heterocyclic optionally containing 1 or more other heteroatoms, Y is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and S--Z wherein Z is a nitrogen heterocyclic optionally containing 1 or more other heteroatoms and the dotted lines indicate that the compound of formula I may contain no oxygen bound to the sulfur atom or may be in sulfoxide or sulfonyl form which are useful as herbicides and thereon preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.