Herbicidal crontonic acid derivatives, their preparation and compositions containing them
US4935052A · kind A · utility
8Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1987 |
| Grant date | Jun 19, 1990 |
| Priority date | — |
| Expiry date | Jul 21, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/52
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Crotonic acid derivatives of the formula ##STR1## wherein R.sup.1 is optionally substituted alkyl or optionally substituted aryl; PA1 R.sup.2 is alkyl, cycloalkyl, optionally substituted phenylalkyl or heterocyclic substituted alkyl; PA1 R.sup.3 is alkyl, optionally substituted alkoxy, alkenyloxy, alkynyloxy, optionally substituted aryloxy, optionally substituted phenylalkyl or optionally substituted amino. The compounds are useful as selective post-emergent herbicides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.