Cyclopropane carboxylic acid derivatives

摘要

Novel cyclopropane carboxylic acid derivatives of the formula I wherein A is selected from the group consisting of -O-, -CH2- and R is selected from the group consisting of alkyl of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms and optionally unsaturated cycloalkyl and cycloalkylalkyl of 3 to 8 carbon atoms optionally substituted with at least one alkyl group and the double bond in the 3-side chain has the Z geometry in all possible stereoisomeric forms and mixtures of stereoisomers having insecticidal, nematocidal and animal and vegetable acaricidal activities and their preparation.