Certain sulfonic acid esters of certain 2,3-dihydro-2-hydrocarbonoxy-benzofuran-5-ols and their use as herbicides and plant growth controllers
US4049420A · kind A · utility
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23Claims
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Key dates
| Filing date | May 21, 1975 |
| Grant date | Sep 20, 1977 |
| Priority date | — |
| Expiry date | May 21, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/83
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula ##STR1## wherein R.sup.1 represents a branched chain alkyl group of at least 4 carbon atoms or a cycloalkyl group of at least 4 carbon atoms; PA1 R.sup.2 and R.sup.3 are the same or different and each represents a hydrogen atom or an alkyl group of 1-6 carbon atoms; PA1 R.sup.4, r.sup.6 and R.sup.7 are the same or different and each represent a hydrogen or halogen atom or an alkyl or alkoxy group of 1-4 carbon atoms; and PA1 R.sup.5 represents an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group, Are outstanding herbicides and plant growth regulants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.