Refers to compounds of 5-fluoro-2 - oxopirimidinona - 1 (2H) - carboxamide substituted in N1 of formula (i) wherein R1 is H, alkyl (C1 - C6) optionally replaced with R4, alquenilo (C2 - C6) optionally substituted benzyl, with R4, R2 is H, among others alkyl (C1 - C6) Optionally replaced C On R4, among others, where r is Halogen, haloalquilo (C1 - C6), alkoxy, amino (C1 - C6),Among others R3 is - C (= o) n (R9 R10) or - C (= o) n (R9 R10, R9) where is H, alkyl (C1 - C6), haloalquilo (C1 - C6), alquilcarbonilo (C2 - C6), among others, R10 is H, haloalquilo (C1 - C6), alkoxyalkyl Esters (C1 - C6), among others.Preferred compounds are: propilamida acid 4 - (dimethylamino) - metilenamino) - 5 - fluoro - 2 - oxo - 2H - pyrimidine - 1 - carboxylic acid (e) - N - Benzyl - (4 - (dimethylamino) metilenamino) - 5-fluoro-2 - oxopirimidina - 1 (2H) - carboxamide 4 - amino - 5 - fluoro - 2 - oxo - pentilpirimidin N - 1 (2H) - carboxamide among others. It also relates to a composition.These compounds are useful as fungicides for the Control and Prevention of fungal attack in PlantsSE REFIERE A COMPUESTOS DERIVADOS DE 5-FLUORO-2-OXOPIRIMIDINONA-1(2H)-CARBOXAMIDA SUSTITUIDA EN N1 DE FORMULA (I) DONDE R1 ES H, ALQUILO(C1-C6) OPCIONALMENTE SUSTITUIDO CON R4, ALQUENILO(C2-C6) OPCIONALMENTE SUSTITUIDO CON R4, BENCILO, ENTRE OTROS R2 ES H, ALQUILO(C1-C6) OPCIONALMENTE SUSTITUIDO CON R4, ENTRE OTROS, EN DONDE R4 ES HALOGENO, HALOALQUILO(C1-C6), ALCOXI(C1-C6), AMINO, ENTRE OTROS R3 ES -C(=O)N(R9)R10 O -C(=S)N(R9)R10, EN DONDE R9 ES H, ALQUILO(C1-C6), HALOALQUILO(C1-C6), ALQUILCARBONILO(C2-C6), ENTRE OTROS R10 ES H, HALOALQUILO(C1-C6), ALCOXIALQUILO(C1-C6), ENTRE OTROS. SON COMPUESTOS PREFERIDOS: PROPILAMIDA DE ACIDO 4-(DIMETILAMINO-METILENAMINO)-5-FLUORO-2-OXO-2H-PIRIMIDIN-1-CARBOXILICO (E)-N-BENCIL-4-((DIMETILAMINO)METILENAMINO)-5-FLUORO-2-OXOPIRIMIDINA-1(2H)-CARBOXAMIDA 4-AMINO-5-FLUORO-2-OXO-N-PENTILPIRIMIDIN-1(2H)-CARBOXAMIDA ENTRE OTROS. TAMBIEN SE REFIERE A UNA COMPOSICION. DICHOS CO
