Estos compuestos son adecuados para ser utilizados como herbicidas y se utilizan para combatir malas hierbas en los cultivos de plantas útiles. Reivindicación 1: Compuestos de la fórmula (1) en la cual n representa 0, 1, 2, 3, 4 ó 5; cada uno de los R1 independientemente de los demás, representa halógeno, -CN, -SCN, -SF5, -NO2, -NR5R6, -CO2R7, -CONR8R9, -C(R10)=NOR11, -COR12, -OR13, -SR14, -SOR15, -SO2R16, -OSO2R17, alquilo C1-8, alquenilo C2-8, alquinilo o cicloalquilo C3-6; o representa alquilo C1-8, alquenilo C2-8 o alquinilo C2-8 substituidos de una a cinco veces con halógeno o substituidos una, dos o tres veces con -CN, -NO2, -NR18R19, - CO2R20, -CONR21R22, -COR23, -C(R24)=NOR25, -C(S)NR26R27, -C(alquiltio)=NR28, -OR29, -SR30, -SOR31, -SO2R32 o con cicloalquilo C3-6; y/o cada uno de los R1 independientemente de los demás, representa cicloalquilo C3-6 substituido de una a cinco veces con halógeno y/o substituido una, dos o tres veces con -CN, -NO2, -NR18R19, -CO2R20, -CONR21R22, -COR23, -C(R24)=NOR25, -C(S)NR26R27, -C(alquiltio)=NR28, -SR30, -SOR31, -SO2R32 o cicloalquilo; y/o cada uno de los R1 independientemente de los demás, representa fenilo, que por su parte puede estar substituido de una a cinco veces con halógeno y/o substituido una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o alquilsulfonilo C1-4; y/o dos R1 adyacentes juntos forman un puente C1-C7alquileno C1-7, que puede estar interrumpido por 1 o 2 átomos de oxígeno no adyacentes y que puede estar substituido con alquilo C1-6, siendo la cantidad total de átomos de anillo por lo menos de 5 y a lo sumo de 9; y/o dos R1 adyacentes juntos forman un puente alquenileno C2-7, que puede estar interrumpido por 1 o 2 átomos de oxígeno no adyacentes y que puede estar substituido con alquilo C1-6, siendo la cantidad total de átomos de anillo por lo menos de 5 y a lo sumo de 9; R3 y R4 independientemente entre sí, representan hidrógeno, halógeno, -CN, alquilo C1-4 o alcoxi C1-4; o R3 y R4 juntos forman alquileno C2-5; R5 representa hidrógeno o alquilo C1-8; R6 representa hidrógeno, alquilo C1-8,alquenilo C3-8, alquinilo C3-8, fenilo o bencilo, pudiendo fenilo y bencilo por su parte estar substituidos de una a cinco veces con halógeno, y/o substituidos una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o con alquilsulfonilo C1-4; o R5 y R6 conjuntamente son una cadena alquileno C2-5, que puede estar interrumpida por un átomo de oxígeno o de azufre; R7 representa hidrógeno, alquilo C1-8, alquenilo C3-8 o alquinilo C3-8, o alquilo C1-8, alquenilo C3-8 o alquinilo C3-8 substituidos de una a cinco veces con halógeno o substituidos una, dos o tres veces con alcoxi C1-4 o fenilo, pudiendo fenilo por su parte estar substituido de una a cinco veces con halógeno y/o substituido una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o alquilsulfonilo C1-4; R8 representa hidrógeno o alquilo C1-8; R9 representa hidrógeno o alquilo C1-8, o alquilo C1-8 substituido una, dos o tres veces con -COOH, alcoxicarbonilo C1-8 o -CN; o R9 representa alquenilo C3-8, alquinilo C3-8, fenilo o bencilo, pudiendo fenilo y bencilo por su parte estar substituidos de una a cinco veces con halógeno y/o substituidos una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o alquilsulfonilo C1-4; o R8 y R9 representan conjuntamente alquileno C2-5; R10 representa hidrógeno, alquilo C1-4, haloalquilo C1-4 o cicloalquilo C3-6; R11 representa hidrógeno, alquilo C1-8, alquenilo C3-8, alquinilo C3-8, haloalquilo C1-4 o haloalquenilo C3-6; R12 representa hidrógeno, alquilo C1-4, haloalquilo C1-4 o cicloalquilo C3-6; R13 representa hidrógeno, alquilo C1-8, alquenilo C3-8 o alquinilo C3-8; o R13 representa fenilo o fenil--alquilo C1-6, pudiendo por su parte los anillos fenilo estar substituidos de una a cinco veces con halógeno y/o substituidos una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2 o -S(O)2alquilo C1-8; o R13 representa alquilo C1-8 substituido de una a cinco veces con halógeno o substituidos una, dos o tres veces con -CN o alcoxi C1-4; R14 representa hidrógeno, alquilo C1-8, alquenilo C3-8 o alquinilo C3-8, o alquilo C1-8 substituido de una a cinco veces con halógeno o substituidos una, dos o tres veces con -CN o alcoxi C1-4; R15, R16 y R17 independientemente entre sí, representan alquilo C1-8, alquenilo C3-8 o alquinilo C3-8, o alquilo C1-8 substituido de una a cinco veces con halógeno o substituidos una, dos o tres veces con -CN o alcoxi C1-4; R18 representa hidrógeno o alquilo C1-8; R19 representa hidrógeno, alquilo C1-8, alquenilo C3-8, alquinilo C3-8, fenilo o bencilo, pudiendo fenilo y bencilo por su parte estar substituidos de una a cinco veces con halógeno y/o estar substituidos una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o alquilsulfonilo C1-4; o R18 y R19 representan conjuntamente una cadena alquileno C2-5, que puede estar interrumpida por un átomo de oxígeno de azufre; R20 representa hidrógeno, alquilo C1-8, alquenilo C3-8, alquinilo C3-8, fenilo o bencilo, pudiendo fenilo y bencilo por su parte estar substituidos de una a cinco veces con halógeno. o substituidos una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o alquilsulfonilo C1-4; R21 representa hidrógeno o alquilo C1-8; R22 representa hidrógeno o alquilo C1-8, o alquilo C1-8 substituido una, dos o tres veces con -COOH, alcoxicarbonilo C1-8 o -CN, o R22 representa alquenilo C3-8, alquinilo C3-8, fenilo o bencilo, pudiendo fenilo y bencilo por su parte estar substituidos de una a cinco veces con halógeno y/o una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o con alquilsulfonilo C1-4; o R21 y R22 conjuntamente representan alquileno C2-5; R23 representa hidrógeno, alquilo C1-4, haloalquilo C1-4 o cicloalquilo C3-6; R24 representa hidrógeno, alquilo C1-4, haloalquilo C1-4 o cicloalquilo C3-6; R25 representa hidrógeno, alquilo C1-8, alquenilo C3-8, alquinilo C3-8, haloalquilo C1-4 o haloalquenilo C3-6; R26 representa hidrógeno o alquilo C1-8; R27 representa hidrógeno o alquilo C1-8, o es alquilo C1-8 substituido una, dos o tres veces con -COOH, alcoxicarbonilo C1-8 o -CN; o R27 representa alquenilo C3-8, alquinilo C3-8, fenilo o bencilo, pudiendo fenilo y bencilo a su vez estar substituidos de una a cinco veces con halógeno y/o una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o alquilsulfonilo C1-4; o R26 y R27 conjuntamente representan alquileno C2-5; R28 representa hidrógeno o alquilo C1-8; R29 y R30 independientemente entre sí, representan hidrógeno, alquilo C1-8, alquenilo C3-8 o -alquinilo C3-8, o son alquilo C1-8 substituido de una a cinco veces con halógeno o substituido una, dos o tres veces con -CN o alcoxi C1-4; R31 y R32 independientemente entre sí, representan alquilo C1-8,alquenilo C3-8 o alquinilo C3-8, o alquilo C1-8 substituido de una a cinco veces con halógeno o una, dos o tres veces con -CN o alcoxi C1-4; m vale 0, 1, 2 o 3; cada uno de los R2 independientemente entre sí, representa halógeno, -CN, -SCN, -SF5, -NO2, -NR36R37, -CO2R38, -CONR39R40, C(R41)=NOR42, -COR43, -OR44, -SR45, -SOR46, -SO2R47, -OSO2R48, -N([CO]pR49)COR50, -N(OR51)COR52, -N(R53)CO2R54 o -N-ftalimida; R36 representa hidrógeno o alquilo C1-6; y R37 representa hidrógeno, alquilo C1-8,alquenilo C3-8, alquinilo C3-8, fenilo o bencilo, pudiendo fenilo y bencilo a su vez estar substituidos de una a cinco veces con halógeno o estar substituido una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, -alquilsulfinilo C1-4 o alquilsulfonilo C1-4; o R36 y R37 conjuntamente representan una cadena alquileno C2-5, que puede estar interrumpida por un átomo de oxígeno o por un átomo de azufre; R38 representa hidrógeno, alquilo C1-8, alquenilo C3-8 o alquinilo C3-8, o alquilo C1-8, alquenilo C3-8 o alquinilo C3-8 substituidos de una a cinco veces con halógeno o una, dos o tres veces con alcoxi C1-4 o fenilo, pudiendo fenilo por su parte estar substituido de una a cinco veces con halógeno y/o una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o alquilsulfonilo C1-4; R39 representa hidrógeno o alquilo C1-8; R40 representa hidrógeno o alquilo C1-8, o alquilo C1-8 substituido una, dos o tres veces con -COOH, alcoxicarbonilo C1-8 o -CN; o R40 representa alquenilo C3-8, alquinilo C3-8, fenilo o bencilo, pudiendo fenilo y bencilo a su vez estar substituidos de una a cinco veces con halógeno y/o una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2, alquiltio C1-4, alquilsulfinilo C1-4 o alquilsulfonilo C1-4; o R39 y R40 juntos representan alquileno C3-5; R41 representa hidrógeno, alquilo C1-4, haloalquilo C1-4 o cicloalquilo C3-6; R42 representa hidrógeno, alquilo C1-8, alquenilo C3-8, alquinilo C3-8, haloalquilo C1-4 o haloalquenilo C3-6; R43 representa hidrógeno, alquilo C1-4, haloalquilo C1-4 o cicloalquilo C3-6; R44 representa hidrógeno, alquilo C1-8, alquenilo C3-8 o alquinilo C3-8; o R44 representa fenilo o fenil-alquilo C1-6, pudiendo el anillo fenilo por su parte estar substituido de una a cinco veces con halógeno y/o una, dos o tres veces con alquilo C1-4, haloalquilo C1-4, alcoxi C1-4, -CN, -NO2 o -S(O)2alquilo C1-8, o R44 representa alquilo C1-8 substituido de una a cinco veces con halógeno o una, dos o tres veces con -CN o alcoxi C1-4; R45 representa hidrógeno, alquilo C1-8, alquenilo C3-8 o alquinilo C3-8, o alquilo C1-8 substituido de una a cinco These compounds are suitable for use as herbicides and are used to combat weeds in useful plant crops. Claim 1: Compounds of the formula (1) in which n represents 0, 1, 2, 3, 4 or 5; each of the R1 independently of the others, represents halogen, -CN, -SCN, -SF5, -NO2, -NR5R6, -CO2R7, -CONR8R9, -C (R10) = NOR11, -COR12, -OR13, -SR14 , -SOR15, -SO2R16, -OSO2R17, C1-8 alkyl, C2-8 alkenyl, C3-6 alkynyl or cycloalkyl; or represents C1-8 alkyl, C2-8 alkenyl or C2-8 alkynyl substituted one to five times with halogen or substituted once, twice or three times with -CN, -NO2, -NR18R19, - CO2R20, -CONR21R22, -COR23 , -C (R24) = NOR25, -C (S) NR26R27, -C (alkylthio) = NR28, -OR29, -SR30, -SOR31, -SO2R32 or with C3-6 cycloalkyl; and / or each of the R1 independently of the others, represents C3-6 cycloalkyl substituted one to five times with halogen and / or substituted once, twice or three times with -CN, -NO2, -NR18R19, -CO2R20, - CONR21R22, -COR23, -C (R24) = NOR25, -C (S) NR26R27, -C (alkylthio) = NR28, -SR30, -SOR31, -SO2R32 or cycloalkyl; and / or each of the R1 independently of the others, represents phenyl, which in turn can be substituted one to five times with halogen and / or substituted once, twice or three times with C1-4 alkyl, C1-4 haloalkyl , C1-4 alkoxy, -CN, -NO2, C1-4 alkylthio, C1-4 alkylsulfinyl or C1-4 alkylsulfonyl; and / or two adjacent R1 together form a C1-C7 C1-7 alkylene bridge, which may be interrupted by 1 or 2 non-adjacent oxygen atoms and which may be substituted with C1-6 alkyl, the total amount of ring atoms being at least 5 and at most 9; and / or two adjacent R1 together form a C2-7 alkenylene bridge, which may be interrupted by 1 or 2 non-adjacent oxygen atoms and which may be substituted with C1-6 alkyl, the total amount of ring atoms being at least of 5 and at most 9; R3 and R4 independently of each other, represent hydrogen, halogen, -CN, C1-4 alkyl or C1-4 alkoxy; or R3 and R4 together form C2-5 alkylene; R5 represents hydrogen or C1-8 alkyl; R 6 represents hydrogen, C 1-8 alkyl, C 3-8 alkenyl, C 3-8 alkynyl, phenyl or benzyl, whereby phenyl and benzyl can be substituted one to five times with halogen, and / or substituted once, twice or three times with C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy, -CN, -NO2, C1-4 alkylthio, C1-4 alkylsulfinyl or with C1-4 alkylsulfonyl; or R5 and R6 together are a C2-5 alkylene chain, which may be interrupted by an oxygen or sulfur atom; R7 represents hydrogen, C1-8 alkyl, C3-8 alkenyl or C3-8 alkynyl, or C1-8 alkyl, C3-8 alkenyl or C3-8 alkynyl substituted one to five times with halogen or substituted once, twice or three times with C1-4 alkoxy or phenyl, with phenyl being able to be substituted one to five times with halogen and / or substituted once, twice or three times with C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy, -CN , -NO2, C1-4 alkylthio, C1-4 alkylsulfinyl or C1-4 alkylsulfonyl; R8 represents hydrogen or C1-8 alkyl; R9 represents hydrogen or C1-8 alkyl, or C1-8 alkyl substituted once, twice or three times with -COOH, C1-8 alkoxycarbonyl or -CN; or R9 represents C3-8 alkenyl, C3-8 alkynyl, phenyl or benzyl, with phenyl and benzyl being able to be substituted one to five times with halogen and / or substituted once, twice or three times with C1-4 alkyl, haloalkyl C1-4, C1-4 alkoxy, -CN, -NO2, C1-4 alkylthio, C1-4 alkylsulfinyl or C1-4 alkylsulfonyl; or R8 and R9 together represent C2-5 alkylene; R 10 represents hydrogen, C 1-4 alkyl, C 1-4 haloalkyl or C 3-6 cycloalkyl; R 11 represents hydrogen, C 1-8 alkyl, C 3-8 alkenyl, C 3-8 alkynyl, C 1-4 haloalkyl or C 3-6 haloalkenyl; R12 represents hydrogen, C1-4 alkyl, C1-4 haloalkyl or C3-6 cycloalkyl; R13 represents hydrogen, C1-8 alkyl, C3-8 alkenyl or C3-8 alkynyl; or R13 represents phenyl or phenyl-C1-6 alkyl, and the phenyl rings may be substituted one to five times with halogen and / or substituted once, twice or three times with C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy, -CN, -NO2 or -S (O) 2 C1-8 alkyl; or R13 represents C1-8 alkyl substituted one to five times with halogen or substituted once, twice or three times with -CN or C1-4 alkoxy; R14 represents hydrogen, C1-8 alkyl, C3-8 alkenyl or C3-8 alkynyl, or C1-8 alkyl substituted one to five times with halogen or substituted once, twice or three times with -CN or C1-4 alkoxy; R15, R16 and R17 independently of each other, represent C1-8 alkyl, C3-8 alkenyl or C3-8 alkynyl, or C1-8 alkyl substituted one to five times with halogen or substituted once, twice or three times with -CN or C1-4 alkoxy; R18 represents hydrogen or C1-8 alkyl; R19 represents hydrogen, C1-8 alkyl, C3-8 alkenyl, C3-8 alkynyl, phenyl or benzyl, whereby phenyl and benzyl can be substituted one to five times with halogen and / or substituted once, twice or three times with C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy, -CN, -NO2, C1-4 alkylthio, C1-4 alkylsulfinyl or C1-4 alkylsulfonyl; or R18 and R19 together represent a C2-5 alkylene chain, which may be interrupted by a sulfur oxygen atom; R 20 represents hydrogen, C 1-8 alkyl, C 3-8 alkenyl, C 3-8 alkynyl, phenyl or benzyl, whereby phenyl and benzyl can be substituted one to five times with halogen. or substituted once, twice or three times with C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 alkoxy, -CN, -NO 2, C 1-4 alkylthio, C 1-4 alkylsulfinyl or C 1-4 alkylsulfonyl; R21 represents hydrogen or C1-8 alkyl; R22 represents hydrogen or C1-8 alkyl, or C1-8 alkyl substituted once, twice or three times with -COOH, C1-8 alkoxycarbonyl or -CN, or R22 represents C3-8 alkenyl, C3-8 alkynyl, phenyl or benzyl, Phenyl and benzyl may be substituted once or five times with halogen and / or once, twice or three times with C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy, -CN, -NO2, C1-alkylthio 4, C 1-4 alkylsulfinyl or with C 1-4 alkylsulfonyl; or R21 and R22 together represent C2-5 alkylene; R23 represents hydrogen, C1-4 alkyl, C1-4 haloalkyl or C3-6 cycloalkyl; R24 represents hydrogen, C1-4 alkyl, C1-4 haloalkyl or C3-6 cycloalkyl; R25 represents hydrogen, C 1-8 alkyl, C 3-8 alkenyl, C 3-8 alkynyl, C 1-4 haloalkyl or C 3-6 haloalkenyl; R26 represents hydrogen or C1-8 alkyl; R27 represents hydrogen or C1-8 alkyl, or is C1-8 alkyl substituted once, twice or three times with -COOH, C1-8 alkoxycarbonyl or -CN; or R27 represents C3-8 alkenyl, C3-8 alkynyl, phenyl or benzyl, and phenyl and benzyl may be substituted once to five times with halogen and / or once, twice or three times with C1-4 alkyl, C1 haloalkyl -4, C1-4 alkoxy, -CN, -NO2, C1-4 alkylthio, C1-4 alkylsulfinyl or C1-4 alkylsulfonyl; or R26 and R27 together represent C2-5 alkylene; R28 represents hydrogen or C1-8 alkyl; R29 and R30 independently of each other, represent hydrogen, C1-8 alkyl, C3-8 alkenyl or -C3-8 alkynyl, or are C1-8 alkyl substituted one to five times with halogen or substituted once, twice or three times with - CN or C1-4 alkoxy; R31 and R32 independently of each other, represent C1-8 alkyl, C3-8 alkenyl or C3-8 alkynyl, or C1-8 alkyl substituted one to five times with halogen or once, twice or three times with -CN or C1- alkoxy 4; m is worth 0, 1, 2 or 3; each of the R2 independently of each other, represents halogen, -CN, -SCN, -SF5, -NO2, -NR36R37, -CO2R38, -CONR39R40, C (R41) = NOR42, -COR43, -OR44, -SR45, - SOR46, -SO2R47, -OSO2R48, -N ([CO] pR49) COR50, -N (OR51) COR52, -N (R53) CO2R54 or -N-phthalimide; R36 represents hydrogen or C1-6 alkyl; and R37 represents hydrogen, C1-8 alkyl, C3-8 alkenyl, C3-8 alkynyl, phenyl or benzyl, and phenyl and benzyl may in turn be substituted one to five times with halogen or substituted once, twice or three times with C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 alkoxy, -CN, -NO 2, C 1-4 alkylthio, C 1-4 alkylsulfinyl or C 1-4 alkylsulfonyl; or R36 and R37 together represent a C2-5 alkylene chain, which may be interrupted by an oxygen atom or a sulfur atom; R38 represents hydrogen, C 1-8 alkyl, C 3-8 alkenyl or C 3-8 alkynyl, or C 1-8 alkyl, C 3-8 alkenyl or C 3-8 alkynyl substituted one to five times with halogen or once, twice or three times with C1-4 alkoxy or phenyl, with phenyl being able to be substituted one to five times with halogen and / or once, twice or three times with C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy, -CN, - NO2, C1-4 alkylthio, C1-4 alkylsulfinyl or C1-4 alkylsulfonyl; R39 represents hydrogen or C1-8 alkyl; R40 represents hydrogen or C1-8 alkyl, or C1-8 alkyl substituted once, twice or three times with -COOH, C1-8 alkoxycarbonyl or -CN; or R40 represents C3-8 alkenyl, C3-8 alkynyl, phenyl or benzyl, and phenyl and benzyl may in turn be substituted one to five times with halogen and / or once, twice or three times with C1-4 alkyl, C1 haloalkyl -4, C1-4 alkoxy, -CN, -NO2, C1-4 alkylthio, C1-4 alkylsulfinyl or C1-4 alkylsulfonyl; or R39 and R40 together represent C3-5 alkylene; R41 represents hydrogen, C1-4 alkyl, C1-4 haloalkyl or C3-6 cycloalkyl; R42 represents hydrogen, C 1-8 alkyl, C 3-8 alkenyl, C 3-8 alkynyl, C 1-4 haloalkyl or C 3-6 haloalkenyl; R43 represents hydrogen, C1-4 alkyl, C1-4 haloalkyl or C3-6 cycloalkyl; R44 represents hydrogen, C1-8 alkyl, C3-8 alkenyl or C3-8 alkynyl; or R44 represents phenyl or phenyl-C 1-6 alkyl, the phenyl ring being able to be substituted one to five times with halogen and / or once, twice or three times with C1-4 alkyl, C1-4 haloalkyl, C1 alkoxy -4, -CN, -NO2 or -S (O) 2 C1-8alkyl, or R44 represents C1-8 alkyl substituted one to five times with halogen or once, twice or three times with -CN or C1-4 alkoxy; R45 represents hydrogen, C1-8 alkyl, C3-8 alkenyl or C3-8 alkynyl, or C1-8 alkyl substituted from one to five