| abstract |
1-Aryl- and 1-hetarylimidazolecarboxylic esters of the general formulae Ia and Ib <IMAGE> where R1 is halogen or substituted or unsubstituted C1-C4-alkyl; R2 is substituted or unsubstituted C1-C6-alkyl; C3-C6-alkenyl, C3-C6-alkynyl or C3-C6-cycloalkyl; R3 is hydrogen or C1-C4-alkyl; R4 is substituted or unsubstituted phenyl or 5- or 6-membered heteroaromatic, processes for their manufacture, and agents containing them. |