Tetrazole derivatives
US6770599B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2003 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Jun 17, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D257/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The instant invention relates to novel tetrazole derivatives of the formula (I) wherein R1 represents halogen, methyl, ethyl, halomethyl, methoxy, ethoxy, C1-2 haloalkoxy, methylthio, ethylthio, C1-3 alkylsulfonyl, methylsulfonyloxy, ethylsulfonyloxy, nitro or cyano, R2 represents C1-6 alkyl, C3-6 cycloalkyl which may be optionally substituted with halogen or C1-3 alkyl, C1-4 haloalkyl, C2-6 alkenyl, or phenyl which may be optionally substituted with halogen, C1-3 alkyl, C1-4 haloalkyl, C2-6 alkenyl, or phenyl which may be optionally substituted with halogen, C1-3 alkyl, C1-2 haloalkyl or nitro, m represents 0, 1 or 2, two R1 s may be identical or different, in case m represents 2, n represents 1 or 2, Q represents one the cyclic groups which are mentioned in the specification, to intermediates and several processes for their preparation, to their use as herbicides and to novel compositions containing them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.