| abstract |
Claim 1: Compounds of formula (1) wherein R represents a (C1-C6) alkyl group, a (C1-C6) haloalkyl group; R1 represents a hydrogen atom; R2 represents a heteroaromatic group or a heteroaromatic (C1-C4) alkyl group, these groups being optionally substituted with one or more atoms or groups chosen from a halogen, a hydroxy, a cyano, oxo, NH2, C (O) NH2, a (C1-C6) alkyl group, a (C1-C2) haloalkyl group, a (C1-C6) alkoxy group, a (C1-C6) haloalkoxy group or a (C1-C6) alkyl group; R3 and R4 independently represent each other a phenyl group, optionally substituted with one or more atoms or groups chosen from a halogen, a cyano, a (C1-C6) alkyl group, a (C1-C6) haloalkyl group, a group (C1-C6) alkoxy, a halo (C1-C6) haloalkoxy group or a (C1-C6) alkyl group S (O) p; p is between 0 and 2; in the base or salt state of acid addition. |