FIELD: anticorrosive coatings. SUBSTANCE: composition has film-forming component as a paint and varnish material and 0.1-10.0% (measured as by matter) ketoacid and amine salt. Ketoacid: compound of the general formula 
where: a = 1, 2, 3, 4 or 5; substituents R can be similar or different and each means: hydrogen, halogen, nitro-group, cyano-group, CF3, C1-C15-alkyl, C5-C12-cycloalkyl, C2-C15-alkenyl, C1-C12-halogenalkyl, C1-C12-alkoxy-group, C1-C12-thioalkyl, C6-C12-aryl, C6-C10-arylhydroxy-group, C7-C12-alkaryl, CO2R1 where R1 means: a) hydrogen; b) C1-C20-alkyl chain of that can be broken with one or some atoms O, S or N; c) C7-C12=alkaryl, or d) C6-C12-aryl that can be free or substituted with one or some carboxy-group; -COR1 where R1 has value indicated above; NR2R3 where R2 and R3 can be similar or different and each means hydrogen or C1-C24-alkyl chain of that can be broken with one or some atoms O, S or groups NH; or if a = 2, 3, 4 or 5 then two adjacent groups R can mean atoms necessary for formation of the fused benzene or cyclohexyl ring; n = 1-10. Amine: compound of the general formula 
where: X, Y and Z can be similar or different and mean: hydrogen, C4-C24-alkyl chain of that can be broken with one or some atoms O, phenyl, C7-C9-phenylalkyl, C7-C9-alkylphenyl; or two substituents of X, Y and Z together with nitrogen atom with which they were bound form 5-, 6- or 7-membered heterocyclic residue that can, except for, contain additional atom of oxygen, nitrogen or sulfur and can be mono- or multisubstituted with C1-C4-alkyl, amino-group, hydroxy-, carboxy-groups or C1-C4-carboxyalkyl; the remained substituent of X, Y and Z means hydrogen at condition that X, Y and Z can not mean simultaneously hydrogen. Composition has the following paint and varnish material as film-forming component: this material is based on epoxy, polyurethane, aminopolymeric, acrylic, polyvinyl, phenolic, polyether, alkid resins, acrylic copolymer, styrene-butadiene copolymer or a mixture of the indicated polymers, or their an aqueous emulsion. EFFECT: improved method of synthesis. 10 cl, 7 tbl
