Propionic acid esters and herbicidal use thereof
US4329488A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1980 |
| Grant date | May 11, 1982 |
| Priority date | — |
| Expiry date | Dec 5, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N39/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Propionic acid esters of the general formula ##STR1## wherein R.sub.1 is hydrogen, alkyl of from 1 to 6 carbon atoms or phenyl, R.sub.2 is alkyl of from 1 to 6 carbon atoms, alkenyl of from 2 to 6 carbon atoms, alkynyl of from 2 to 6 carbon atoms or phenyl, or R.sub.1 and R.sub.2 together with the carbon atom to which they are attached form a cycloalkane ring containing 4 to 10 carbon atoms which can be mono-, di- or trisubstituted with alkyl of from 1 to 3 carbon atoms, R.sub.3 represents a halogen, trifluoromethyl or nitro, and R.sub.4 and R.sub.5 each represent a hydrogen or halogen atom, processes for their manufacture, herbicidal compositions containing these compounds as the active ingredient and methods of use of the herbicidal compositions are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.