2,5-dihydropyrroles
US4845230A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1988 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Nov 22, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N43/82
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Herbicidally active novel 2,5-dihydropyrroles of the formula ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R.sup.2 and R.sup.3 each represent an alkyl group having 1 to 4 carbon atoms or a haloalkyl group having 1 to 4 carbon atoms or together may form a C.sub.2 -C.sub.6 alkylene group which may be substituted by halogen, and R represents a hydroxy group, a mercapto group, a halogen atom, an amino group or a group of the formula --O--W in which W represents an alkylcarbonyl, a halogenoalkylcarbonyl, an alkoxycarbonyl or a halogenoalkoxycarbonyl group each having 1 to 4 carbon atoms in the alkyl group, an alkylsulfonyl or a halogenoalkylsulfonyl group each having 1 to 4 carbon atoms in the alkyl group or a di-C.sub.1 -C.sub.4 -alkylamino sulfonyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.