Novel pyrrole derivatives of formula I
wherein
X is oxygen or sulfur;
R1 is hydrogen, C1–C4alkyl unsubstituted or substituted, or halogen;
R2 is C1–C4alkyl 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.
化合物I的结构式如下:
其中,
X代表氧或
硫;
R1可以是氢、未取代或取代的C1-C4烷基,或卤素;
R2可以是未取代或取代的C1-C4烷基;
A可以是邻位取代的芳基;邻位取代的杂环芳基;未取代或取代的双环芳基;或未取代或取代的双环杂环芳基。
这些新化合物具有植物保护性质,适用于保护植物免受植物病原微
生物的侵害。