Cyclopropane carboxylic acid and process for their production and use
AssigneeDegussa AG
InventorsWerner Schwarze, Axel Kleemann
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Abstract
There are prepared new cyclopropane carboxylic acid esters, particularly the tetrahydrobenzyl ester. They have insecticide and ovicide activity. The compounds are prepared by known methods of esterification.
Claims33
A cyclopropane carboxylic acid ester of the formula (I) ##STR8## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are either hydrogen, halogen, or alkyl, R.sub.6 is the group ##STR9## R.sub.7 is a hydrogen atom, a methyl or phenyl group, R.sub.8 is a hydrogen, a methyl group or the group ##STR10## X.sub.1 is an oxygen atom or the --CH.sub.2 -- group and R.sub.9 and R.sub.10 are hydrogen or halogen when X.sub.1 is an oxygen atom and R.sub.9 and R.sub.10 are halogen when X.sub.1 is the --CH.sub.2 -- group, with the proviso that when R.sub.6 is the group ##STR11## and X.sub.1 is the --CH.sub.2 -- group, not more than one of R.sub.4 and R.sub.5 can be alkyl and that not more than one of R.sub.2 and R.sub.3 can be alkyl unless at least one of R.sub.4 and R.sub.5 is halogen.
Dependencies are inferred from the claim text.