MEROCYANINE DERIVATIVES

摘要

Disclosed is the use of merocyanine derivatives of formula (I), wherein Q is hydrogen; C₁-C₂₂alkyl; -OH; -OR₇; -NR₇R₈; or -N=R₉; R₁ is hydrogen; C₁-C₂₂alkyl; -OR₇, -SR₇; -NR₇R₈; C₁-C₂₂alkyl; C₂-C₁₂alkenyl; C₂-C₁₂alkinyl; C₃-C₁₂cycloalkyl; C₃-C₁₂cycloalkenyl; C₇-C₁₂aralkyl; C₁-C₁₂heteroalkyl, C₂-C₁₁heteroaralkyl; C₆-C₁₀aryl; or C₁-C₉heteroaryl; R₄ is cyano; COR₇, COOR₇; CONR₇R₈; SO₂(C₆-C₁₂)aryl; C₂-C₁₂alk-1-enyl; C₃-C₁₂cycloalk-1-enyl; C₂-C₁₂alk-1-inyl; C₂-C₁₂heteroalkyl; C₃-C₅heterocycloalkyl; C₆-C₁₀aryl; or C₁-C₉heteroaryl; R₅ is -COR₇; -COOR₇; -OR₇; -SR₇, -NHR₇, -NR₇R₈; C₁-C₂₂alkyl; C₂-C₁₂alkenyl; C₂-C₁₂alkinyl; C₃-C₁₂cycloalkyl; C₃-C₁₂cycloalkenyl; C₇-C₁₂aralkyl; C₁-C₁₂alkylphenyl; C₁-C₁₂alkoxy-C₆-C₁₀aryl; C₁-C₁₂heteroalkyl; C₂-C₁₁heteroaralkyl; C₃-C₁₂cycloheteroalkyl; C₆-C₁₀aryl; C₁- C₁₂alkoxy-C₆-C₁₀aryl; or C₁-C₉heteroaryl; R₆ is hydrogen; C₁-C₂₂alkyl; C₁-C₂₂alkoxy; or COR₇; R₇ and R₈ independently from each other are hydrogen; C₁-C₂₂alkyl; C₂-C₁₂alkenyl; C₂-C₁₂alkinyl; C₃-C₁₂cycloalkyl; C₃-C₁₂cycloalkenyl; -(CH₂)_tCOOH; C₇-C₁₂aralkyl; C₁-C₁₂heteroalkyl; C₂-C₁₁heteroaralkyl; C₆-C₁₀aryl; C₁-C₉heteroaryl; Si-R₁₀R₁₁R₁₂; Si(OR₁₀)(OR₁₁)(OR₁₂); SiR₁₀(OR₁₁)(OR₁₂); SiR₁₀R₁₁(OR₁₂); -(CH₂)_u-O-(CH₂)_v-SiR₁₀R₁₁R₁₂; or a radical X-Sil; t, u and v, independently from each other are a number from 1 to 5; R₉ is a (C₁-C₆)alkylidene radical; R₁₀, R₁₁, R₁₂ independently form each other are C₁-C₂₂alkyl; X is a linker; Sil is a silane-, oligosiloxane- or polysiloxane radical; R₁ and R₂, R₁ and Q, R₁ and R₆, R₁ and T, R₂ and R₃, R₂ and R₄, R₂ and R₆, R₂ and Q, R₄ and R₆, R₄ and T, R₆ and Q, T and Q, each independently, are linked together, so that 1, 2, 3 or 4 carbocyclic or N, O and/or S-heterocyclic rings are formed, wherein each of them, independently from each other, may be condensed with an aromatic or heteroaromatic ring, and/or more N-, O- and/or S-heterocyclic rings, and each N atom in a N-heterocyclic ring may be substituted by C₁-C₂₂alkyl; n is a number from 1 to 4; wherein at least one of the radicals R₁, R₆ or Q is different from hydrogen; if n = 1 T is -COR₅; -CN; C₆-C₁₀aryl; -NHR₅; or -SO₂-(C₆-C₁₂)aryl; R₂ and R₃ independently from each other are C₁-C₂₂alkyl; hydroxy-C₁-C₂₂alkyl; C₂-C₁₂alkenyl; C₂-C₁₂alkinyl; C₃-C₁₂cycloalkyl, C₃-C₁₂cycloalkenyl; C₇-C₁₂aralkyl; C₁-C₁₂heteroalkyl; C₃-C₁₂cycloheteroalkyl; C₆-C₁₀aryl; C₁-C₉heteroaryl; or a radical of formula (II); p is a number from 5 to 100; q is a number from 1 to 5; s is a number from 0 to 4; if n = 2 R₂ and R₃ are each C₁-C₅alkylene; and simultaneously T is defined as for n = 1; or T is a bivalent radical of formula -NR₇-V-NR₇-, wherin V is phenylene; or C₁-C₅alkylene; R₇ is hydrogen; or C₁-C₅alkyl; and R₂ and R₃ simultaneously are defined as for n = 1; if n = 3 one of R₂, R₃ or T is a trivalent radical; if n = 4 one of R₂, R₃ or T is a tetravalent radical; for protecting of human hair and skin against the damaging effect of UV radiation.