Un proceso para su preparacion, una composicion farmacéutica y/o cosmética que comprende estos compuestos, su uso para la preparacion de una composicion farmacéutica para la profilaxis y/o el tratamiento de enfermedades causadas por y/o asociadas con la exposicion a radiacion ultravioleta, su uso para la profilaxis y/o el cuidado contra condiciones no deseadas de la piel, así como su uso como fotoestabilizador en composiciones de polímeros. Reivindicacion 1: Al menos un compuesto de benzotriazolilfenol sililado substituido de la formula general (1) en donde k = 0 o 1; q = 1 o 2; R1 y R2, independientemente uno de otro, representa cada uno un átomo de hidrogeno; un átomo de halogeno; -NO2; -OR8; -SR9; -CN; -NR10R11; -C(=O)-OR12; -C(=O)-NR14R15; -OC(=O)R16; -NR17-C(=O)R18; -NR19-C(=O)-O-R20; -S(=O)2-R21; -S(=O)2-O-R22; -S(=O)2-NR23R24; un radical alifático C1-18 lineal o ramificado, saturado, insustituido o al menos mono-sustituido; un radical arilo insustituido o al menos mono-sustituido, que puede estar unido por un grupo alquileno lineal o ramificado, insustituido o al menos mono- sustituido y/o que puede estar condensado con un sistema de anillos insustituido o al menos mono-sustituido, saturado o aromático, mono- o bicíclico; o r1 y R2 están condensados para formar juntos un sistema de anillos adicional aromático mono- o policíclico que tiene de 4 a 10 átomos de carbono; R3 representa un radical cicloalifático insustituido o al menos mono-sustituido, saturado, que contiene opcionalmente al menos un heteroátomo como miembro del anillo, que puede estar condensado con un sistema de anillos insustituido o al menos mono-sustituido, saturado o aromático, mono- o bicíclico; o un radical arilo o heteroarilo insustituido o al menos mono-sustituido, que puede estar condensado con un sistema de anillos insustituido o al menos mono- sustituido, saturado o aromático, mono- o bicíclico; R4 representa un átomo de hidrogeno; un radical alifático C1-18 lineal o ramificado, saturado, insustituido o al menos mono-sustituido; con la salvedad de que si q = 1, entonces k = 1; R5 y R6 y R7, independientemente uno de otro, representa cada uno un radical alifático C1-18 lineal o ramificado, saturado, insustituido o al menos mono-sustituido; un radical alifático -O-C1-18 lineal o ramificado, saturado, insustituido o al menos mono-sustituido; un radical cicloalifático saturado insustituido o al menos mono-sustituido; un radical arilo insustituido o al menos mono- sustituido, que puede estar condensado con un sistema de anillos aromático insustituido o al menos mono- sustituido, mono- o bicíclico; o R5, R6 y R7, independientemente uno de otro, representa cada uno un radical de la formula general (2) en donde p = 0, 1, 2 o 3; R25, R26, R27, R28 y. R29, independientemente uno de otro, representa cada uno un radical alifático C1-18 lineal o ramificado, saturado, insustituido o al menos mono- sustituido; un radical alifático -O-C1-8 lineal o ramificado, saturado, insustituido o al menos mono- sustituido; un radical arilo insustituido o al menos mono-sustituido; o un radical -O-Si(R30)3, representando R30 un radical alquilo C1-18 lineal o ramificado, insustituido o al menos mono-sustituido; un radical alquilo -O-C1-18 lineal o ramificado, insustituido o al menos mono-sustituido; o un radical arilo insustituido o al menos mono-sustituido; con la condicion de que si q = 1 y al mismo tiempo k = 1, al menos uno de los radicales R5, R6 y R7 representa un radical de la formula general (2) como se ha definido arriba; o, con la salvedad de que si q = 2, entonces k = 0; R7 representa un radical de la formula general (3) en donde m = 0, 1, 2, 3, 4 o 5; X representa un átomo de oxígeno o un radical alquileno C1-6 insustituido o al menos mono-sustituido; R31, R32, R33 y R34, independientemente uno de otro, representa cada uno un radical alifático C1-18 lineal o ramificado, saturado, insustituido o al menos mono-sustituido; un radical alifático -O-C1-18 lineal o ramificado, saturado, insustituido o al menos mono-sustituido; un radical cicloalifático saturado insustituido o al menos mono-sustituido; un radical arilo insustituido o al menos mono- sustituido, que puede estar condensado con un sistema de anillos aromático mono- o bicíclico insustituido o al menos mono-sustituido; o un radical -O-Si(R30)3, representando R30 un radical alquilo C1-18 lineal o ramificado, insustituido o al menos mono-sustituido; un radical alquilo -O-C1-18 lineal o ramificado, insustituido o al menos mono-sustituido; o un radical arilo insustituido o al menos mono- sustituido; R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R23 y R24 independientemente uno de otro, representa cada uno un átomo de hidrogeno; un radical alifático C1-18 lineal o ramificado, saturado, insustituido o al menos mono- sustituido; un radical cicloalifático insustituido o al menos mono-sustituido, saturado, que contiene opcionalmente al menos un heteroátomo como miembro del anillo, o un radical arilo insustituido o al menos mono- sustituido; R20 y R21, independientemente uno de otro, representa cada uno un radical alifático C1-18 lineal o ramificado, saturado, insustituido o al menos mono-sustituido, un radical cicloalifático insustituido o al menos mono-sustituido, saturado, que contiene opcionalmente al menos un heteroátomo. como miembro del anillo, o un radical arilo insustituido o al menos mono-sustituido; y R22, independientemente uno de otro, representa cada uno un átomo de hidrogeno; o un radical cicloalifático insustituido o al menos mono-sustituido, saturado, que contiene opcionalmente al menos un heteroátomo como miembro del anillo, o un radical arilo insustituido o al menos mono-sustituido; opcionalmente en forma de uno de sus estereoisomeros, preferiblemente enantiomeros o diastereoisomeros, su racemato o en la forma de una mezcla de al menos dos de sus estereoisomeros, preferiblemente enantiomeros o diastereoisomeros, en cualquier relacion de mezcla, o una sal, preferiblemente una sal correspondiente, fisiologicamente aceptable, o un solvato correspondiente.A process for its preparation, a pharmaceutical and / or cosmetic composition comprising these compounds, its use for the preparation of a pharmaceutical composition for the prophylaxis and / or treatment of diseases caused by and / or associated with exposure to ultraviolet radiation, its use for prophylaxis and / or care against unwanted skin conditions, as well as its use as a photostabilizer in polymer compositions. Claim 1: At least one substituted silylated benzotriazolylphenol compound of the general formula (1) wherein k = 0 or 1; q = 1 or 2; R1 and R2, independently of each other, each represents a hydrogen atom; a halogen atom; -NO2; -OR8; -SR9; -CN; -NR10R11; -C (= O) -OR12; -C (= O) -NR14R15; -OC (= O) R16; -NR17-C (= O) R18; -NR19-C (= O) -O-R20; -S (= O) 2-R21; -S (= O) 2-O-R22; -S (= O) 2-NR23R24; a linear or branched, saturated, unsubstituted or at least mono-substituted C1-18 aliphatic radical; an unsubstituted or at least mono-substituted aryl radical, which may be joined by a linear or branched, unsubstituted or at least mono-substituted alkylene group and / or that may be fused to an unsubstituted or at least mono-substituted ring system, saturated or aromatic, mono- or bicyclic; or r1 and R2 are condensed together to form an additional mono- or polycyclic aromatic ring system having 4 to 10 carbon atoms; R3 represents an unsubstituted or at least mono-substituted, saturated cycloaliphatic radical, optionally containing at least one heteroatom as a member of the ring, which may be condensed with an unsubstituted or at least mono-substituted, saturated or aromatic, mono- ring system. or bicyclic; or an unsubstituted or at least mono-substituted aryl or heteroaryl radical, which may be fused to an unsubstituted or at least mono-substituted, saturated or aromatic, mono- or bicyclic ring system; R4 represents a hydrogen atom; a linear or branched, saturated, unsubstituted or at least mono-substituted C1-18 aliphatic radical; with the proviso that if q = 1, then k = 1; R5 and R6 and R7, independently of each other, each represents a linear or branched, saturated, unsubstituted or at least mono-substituted C1-18 aliphatic radical; a linear or branched, saturated, unsubstituted or at least mono-substituted aliphatic radical -O-C1-18; an unsubstituted or at least mono-substituted saturated cycloaliphatic radical; an unsubstituted or at least mono-substituted aryl radical, which may be fused to an unsubstituted or at least mono-substituted, mono- or bicyclic aromatic ring system; or R5, R6 and R7, independently of each other, each represents a radical of the general formula (2) wherein p = 0, 1, 2 or 3; R25, R26, R27, R28 and. R29, independently of each other, each represents a linear or branched, saturated, unsubstituted or at least mono-substituted C1-18 aliphatic radical; a linear or branched, saturated, unsubstituted or at least mono-substituted aliphatic radical -O-C1-8 radical; an unsubstituted or at least mono-substituted aryl radical; or a -O-Si (R30) 3 radical, R30 representing a linear or branched, unsubstituted or at least mono-substituted C1-18 alkyl radical; a linear or branched, unsubstituted or at least mono-substituted alkyl radical -O-C1-18; or an unsubstituted or at least mono-substituted aryl radical; with the proviso that if q = 1 and at the same time k = 1, at least one of the radicals R5, R6 and R7 represents a radical of the general formula (2) as defined above; or, with the proviso that if q = 2, then k = 0; R7 represents a radical of the general formula (3) where m = 0, 1, 2, 3, 4 or 5; X represents an oxygen atom or an unsubstituted or at least mono-substituted C1-6 alkylene radical; R31, R32, R33 and R34, independently of each other, each represents a linear or branched, saturated, unsubstituted or at least mono-substituted C1-18 aliphatic radical; a linear or branched, saturated, unsubstituted or at least mono-substituted aliphatic radical -O-C1-18; an unsubstituted or at least mono-substituted saturated cycloaliphatic radical; an unsubstituted or at least mono-substituted aryl radical, which may be fused to an unsubstituted or at least mono-substituted mono- or bicyclic aromatic ring system; or a -O-Si (R30) 3 radical, R30 representing a linear or branched, unsubstituted or at least mono-substituted C1-18 alkyl radical; a linear or branched, unsubstituted or at least mono-substituted alkyl radical -O-C1-18; or an unsubstituted or at least mono-substituted aryl radical; R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R23 and R24 independently of each other, each represents a hydrogen atom; a linear or branched, saturated, unsubstituted or at least mono-substituted C1-18 aliphatic radical; an unsubstituted or at least mono-substituted, saturated cycloaliphatic radical, optionally containing at least one heteroatom as a member of the ring, or an unsubstituted or at least mono-substituted aryl radical; R20 and R21, independently of each other, each represents a linear or branched, saturated, unsubstituted or at least mono-substituted C1-18 aliphatic radical, an unsubstituted or at least mono-substituted cycloaliphatic radical, saturated, optionally containing at least a heteroatom. as a member of the ring, or an unsubstituted or at least mono-substituted aryl radical; and R22, independently of each other, each represents a hydrogen atom; or an unsubstituted or at least mono-substituted, saturated cycloaliphatic radical, optionally containing at least one heteroatom as a ring member, or an unsubstituted or at least mono-substituted aryl radical; optionally in the form of one of its stereoisomers, preferably enantiomers or diastereoisomers, its racemate or in the form of a mixture of at least two of its stereoisomers, preferably enantiomers or diastereoisomers, in any mixing ratio, or a salt, preferably a corresponding salt , physiologically acceptable, or a corresponding solvate.