| abstract |
Novel pyrrole derivatives of formula I n nwhereinn X is oxygen or sulfur; R 1 is hydrogen, C 1 –C 4 alkyl unsubstituted or substituted, or halogen; R 2 is C 1 –C 4 alkyl unsubstituted or substituted; and A is orthosubstituted aryl; orthosubstituted heteroaryl; bicycloaryl unsubstituted or substituted; or bicycloheteroaryl unsubstituted or substituted. The novel compounds have plant-protective properties and are suitable for protecting plants against infestations by phytopathogenic microorganisms. |