4-(2-Fluoro-4-halo-5-substituted phenyl)urazols, and their production and use
US4452981A · kind A · utility
24Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1982 |
| Grant date | Jun 5, 1984 |
| Priority date | — |
| Expiry date | Sep 15, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A condensed phenylurazol of the formula: ##STR1## wherein X is a chlorine atom or a bromine atom, Y and Z are each an oxygen atom or a sulfur atom and R is a C.sub.1 -C.sub.3 alkyl group, an allyl group or a propargyl group and n is an integer of 4 or 5, which is useful as a herbicide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.