Certain sulfonic acid esters of certain 2,3-dihydro-2-hydrocarbonoxy-benzofuran-5-ols and their use as herbicides and plant growth controllers
AssigneeFisons Limited
InventorPeter Stuart Gates
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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; 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; 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 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.
Claims23
A compound of the formula ##STR7## wherein R.sup.1 represents a branched chain alkyl group of 4 to 10 carbon atoms wherein at least the 2-position is branched or cyclohexyl,
- 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,
- R.sup.4, r.sup.6 and R.sup.7 are the same or different and each represents a hydrogen or halogen atom or an alkyl or alkoxy group of 1 - 4 carbon atoms, and
- R.sup.5 represents an alkyl group of 1 - 6 carbon atoms, an alkyl group of 1 - 6 carbon atoms substituted by halogen or alkoxy of 1 - 6 carbon atoms, phenyl, or phenyl substituted by halogen or alkyl of 1 - 4 carbon atoms.
Dependencies are inferred from the claim text.