Naphthyltriazines as stabilizers for organic material

A compound of formula I

• wherein
• E corresponds to the formula
• or to the formula
• R1 is hydrogen or OR3;
• R2 is H, C1-C18alkyl;
• C2-C6alkenyl;
• phenyl;
• phenyl substituted by C1-C8alkyl or by C1-C8alkoxy;
• C7C11phenylalkyl;
• C5-C12cycloalkyl;
• COOR4;
• CN;
• NH2, NHR7, —N(R7)(R8), NH—CO—R5;
• halogen;
• C1-C18haloalkyl;
• —S—R3 or —O—R3;
• R3 is H, C1-C18alkyl;
• C5-C12cycloalkyl;
• C3-C18alkenyl;
• phenyl;
• C1-C18alkyl that is substituted by phenyl, vinylphenyl, OH, C1-C18alkoxy, C5-C12cycloalkoxy, C3-C18alkenyloxy, halogen, —COOH, —COOR4, —O—CO—R5, —O—CO—O—R6, —CO—NH2, —CO—NHR7, —CO—N(R7)(R8), CN, NH2, NHR7, —N(R7)(R8), —NH—CO—R5, phenoxy, C1-C18alkyl-substituted phenoxy, phenyl-C1-C4-alkoxy, C6-C15bicycloalkoxy, C6-C15bicycloalkyl-alkoxy, C6-C15bicycloalkenyl-alkoxy and/or by C8-C15tricycloalkoxy;
• C5-C12cycloalkyl that is substituted by OH, C1-C4alkyl, C2-C6alkenyl or by —O—CO—R5;
• —CO—R9 or —SO2—R10;
• or R3 is C3-C50alkyl that is interrupted by one or more oxygen atoms and/or is substituted by OH, phenoxy or by C7-C18alkylphenoxy;
• or R3 has one of the definitions —A;
• —CH2—CH(XA)—CH2—O—R12;
• —CR13R′13—(CH2)m—X—A;
• —CH2—CH(OA)—R14;
• —CH2—CH(OH)—CH2—XA;
• —CR15R′15—C(═CH2)—R″15;
• —CR13R′13—(CH2)m—CO—X—A;
• —CR13R′13—(CH2)m—CO—O—CR15R′15—C(═CH2)—R″15 or —CO—O—CR15R′15—C(═CH2)—R″15, wherein A is —CO—CR16═CH—R17;
• R4 is C1-C18alkyl;
• C3-C18alkenyl;
• phenyl;
• C7C11phenylalkyl;
• C5-C12cycloalkyl;
• or C3-C50alkyl that is interrupted by one or more of —O—, —NH—, —NR7 and —S— and may be substituted by OH, phenoxy or by C7-C18alkylphenoxy;
• or is C2-C12hydroxyalkyl;
• R5 is H;
• C1-C18alkyl;
• C1-C18alkyl substituted by COOH or by COOR4;
• C2-C18alkenyl;
• C2-C18-alkenyl substituted by COOH or by COOR4;
• C5-C12cycloalkyl;
• phenyl;
• C7-C11phenylalkyl;
• C6-C15bicycloalkyl;
• C6-C15bicycloalkenyl;
• or C6-C15tricycloalkyl;
• R6 is H;
• C1-C18alkyl;
• C3-C18alkenyl;
• phenyl;
• C7-C11phenylalkyl;
• or C5-C12cycloalkyl;
• R7 and R8, independently of each other, are C1-C12alkyl;
• C3-C12alkoxyalkyl;
• C4-C16dialkyl-aminoalkyl;
• or C5-C12cycloalkyl;
• or together form C3-C9-alkylene, -oxaalkylene or -azaalkylene;
• R9 is C1-C18alkyl;
• C2-C18alkenyl;
• phenyl;
• C5-C12cycloalkyl;
• C7-C11phenylalkyl;
• C6-C15-bicycloalkyl, C6-C15bicycloalkyl-alkyl, C8-C15bicycloalkenyl, or C6-C15tricycloalkyl;
• R10 is C1-C12alkyl;
• phenyl;
• naphthyl or C7-C14alkylphenyl;
• the radicals R11, R22 and R33, independently of one another, are H;
• C1-C18alkyl;
• C3-C6alkenyl;
• C5-C12cycloalkyl;
• phenyl;
• naphthyl;
• biphenylyl;
• C7-C11phenylalkyl;
• C7-C14alkylphenyl;
• halogen;
• C1-C18haloalkyl;
• or C1-C18alkoxy;
• R12 is C1-C18alkyl;
• C3-C18alkenyl;
• phenyl;
• phenyl substituted by from one to three of the radicals C1-C8alkyl, C1-C8alkoxy, C3-C8alkenyloxy, halogen and trifluoromethyl;
• C7-C11phenylalkyl;
• C5-C12cycloalkyl;
• C6-C15tricycloalkyl;
• C6-C15bicycloalkyl;
• C6-C15bicycloalkyl-alkyl;
• C6-C15bicycloalkenyl-alkyl;
• —CO—R5;
• or C3-C50alkyl that is interrupted by one or more of —O—, —NH—, —NR7— and —S— and may be substituted by OH, phenoxy or by C7-C18alkylphenoxy;
• R13 and R′13, independently of each other, are H;
• C1-C18alkyl;
• or phenyl;
• R14 is C1-C18alkyl;
• C3-C12alkoxyalkyl;
• phenyl;
• or phenyl-C1-C4alkyl;
• R15, R′15 and R″15, independently of one another, are H or CH3;
• R16 is H;
• —CH2—COO—R4;
• C1-C4alkyl;
• or CN;
• R17 is H;
• —COOR4;
• C1-C17alkyl;
• or phenyl;
• R′22 and R′33, independently of each other, have one of the definitions of R11 or OR3;
• or are NH2, NHR7, NH—CO—R5;
• —S—R3 or —N(R7)(R8);
• X is —NH—;
• —NR7—;
• —O—;
• —NH—(CH2)p—NH—;
• or —O—(CH2)q—NH—;
• and the indices are as follows:
• m is the number 0-19;
• n is the number 1-8;
• p is the number 0-4;
• and
• q is the number 2-4.