FIELD: chemistry.SUBSTANCE: group of inventions relates to an imine derivative, represented by formula , where "Ar" stands for pyridine, containing a chlorine atom on a ring or thiazole, which can contain the chlorine atom on a ring "X" stands for a sulphur atom or CH2 when "Y" represents COR1, "R1" stands for a hydrogen atom or a C1-C5alkyl group, halogenated methyl group, except trifluoromethyl group, halogenated C2-C5alkyl group, C2-C5alkenyl group, halogenated C2-C5alkenyl group, C3-C5alkinyl group, non-substituted or substituted with an atom of chlorine, fluorine, methyl group or acetamide phenyl group, non-substituted (C6) aryl(C1-C3)alkyl group, (C1-C4)alkoxy (C1-C5)alkyl group, C1-C3alkoxycarbonyl group, (C1-C3) alkylsulphonyl (C1-C3)alkyl group, (C1-C3)alkylthio (C1-C3)alkyl group, non-substituted or substituted with a methyl group or a fluorine atom C3-C7cycloalkyl group, cyano(C1-C3) alkyl group, non-substituted phenoxy(C1-C3) alkyl group, non-substituted pyridylmethyl group, non-substituted imidazolylmethyl group, furanyl group, morpholine group, adamantly group, isothiocyanate group or a heterocyclic ring selected from quinoline, indole, pyridine, pyrazine, pyridazine or tetrahydrofurane, substituted with one, two or five substituents, selected from chlorine, bromine, trifluoromethane or fluorine, and a non-substituted heterocyclic ring, selected from quinoline, indole, pyridine, pyrazine, pyridazine or tetrahydrofurane, when "Y" represents CONR3R4 "R3" and "R4" stands for a hydrogen atom or C1-C5alkyl group, C1-C3alkoxygroup, non-substituted phenyl group, (C1-C3)alkoxy(C1-C3)alkyl group, C1-C3alkoxycarbonylmethyl group, non-substituted C3-C7cycloalkyl group, non-substituted benzenesulphonyl group except the cases, when "R3" and "R4" simultaneously stand for hydrogen when "Y" represents CONHCOR5, "R5" stands for a halogenated C1-C5alkyl group, non-substituted phenyl group when "Y" represents CO2R9, "R9" stands for C1-C7alkyl group, halogenated C1-C5alk
