Abstract:
The present invention relates to compounds of formula (I) as defined herein. The compounds are suitable for protection against ultraviolet (UV) radiation. Further, the present invention is concerned with compositions comprising at least one compound of formula (I).
Abstract:
Disclosed is the use of the compounds (A) corresponding to formula (1) wherein R 1 represents C 6 -C 24 alkyl; R 2 is hydrogen; or d-C 4 alkyl; R 3 is a radical of formula (1 a) *-(CH2) n1 -R 4 R 4 is a heterocyclic or aromatic radical comprising 4 to 6 carbon atoms which can contain from 1 to 3 nitrogen and/or oxygen atoms; n- 1 is a number from 0 to 5; or R 2 and R 3 together with the linking nitrogen atom form a heterocyclic radical comprising 4 to 6 carbon atoms which can contain one or more oxygen or nitrogen atoms; as solubilizing agent for organic UV filters (B) selected from (B1 ) benzophenone derivatives, (B2) hydroxyphenyl triazine derivatives; and (B3) trianilino-s-triazine derivatives.
Abstract:
The present relates to compounds of formula (I) as defined herein. The compounds are suitable for protection against ultraviolet (UV) radiation. Further, the present invention is concerned with compositions comprising at least one compound of formula (I).
Abstract:
The present invention relates to the use of the compounds (A) corresponding to formula (1) wherein R 1 is hydrogen; a linear or branched C 1 -C 30 aliphatic hydrocarbon residue comprising 0, 1, 2 or 3 double bonds; R 2 independently from each other are hydrogen; methyl; ethyl; -OH; -COOR 4 ; -CH2-OH; and -CH 2 -COOR 4 ; R 4 is hydrogen; or a linear or branched C 1 -C 30 aliphatic hydrocarbon residue comprising 0, 1, 2 or 3 double bonds; R 3 independently from each other are hydrogen; methyl; ethyl; -OH; -COOR 5 ; -CH 2 -OH; and -CH 2 -COOR 5 ; R 5 is hydrogen; or a linear or branched C 1 -C 30 aliphatic hydrocarbon residue comprising 0, 1, 2 or 3 double bonds; n is at least 0,1 on average; m1 and m2 independently from each other are 0; or 1; with the proviso, that at least one of the radicals R 1 , R 4 or R 5 represent a linear or branched C 1 -C 30 aliphatic hydrocarbon residue comprising 0, 1, 2 or 3 double bonds, as solubilizing agent for organic UV filters (B) selected from (B1) benzophenone derivatives; (B2) hydroxyphenyl triazine derivatives; and (B3) trianilino-s-triazine derivatives.
Abstract:
Disclosed is the use of benzylidene malonates of formula (1), wherein R 1 is methyl; ethyl; propyl; or n-butyl; if R 1 is methyl, then R is tert. butyl; formula (A); a radical of formula (1a); or a radical of formula (1b); wherein R 2 and R 3 , independently from each other are hydrogen; or methyl; R 4 is methyl; ethyl; or n-propyl; R 5 and R 6 independently from each other are hydrogen; or C 1 -C 3 alkyl; if R 1 is ethyl; propyl; or n-butyl, then R is isopropyl; for the protection of human and animal hair and skin against UV radiation.
Abstract:
Disclosed is the use of the compounds (A) corresponding to formula (1) wherein R1 represents C6-C24alkyl; R2 is hydrogen; or d-C4alkyl; R3 is a radical of formula (1 a) *-(CH2)n1-R4 R4 is a heterocyclic or aromatic radical comprising 4 to 6 carbon atoms which can contain from 1 to 3 nitrogen and/or oxygen atoms; n-1 is a number from 0 to 5; or R2 and R3 together with the linking nitrogen atom form a heterocyclic radical comprising 4 to 6 carbon atoms which can contain one or more oxygen or nitrogen atoms; as solubilizing agent for organic UV filters (B) selected from (B1 ) benzophenone derivatives, (B2) hydroxyphenyl triazine derivatives; and (B3) trianilino-s-triazine derivatives.
Abstract:
Use of benzotriazole derivatives of formula (1), wherein R1 is C1-C30alkyl; C1C5alkoxy; C1-C5alkoxycarbonyl; C5-C7cycloalkyl; C6-C10aryl; aralkyl; -SO3M; a radical of formula (1a) R3 is hydrogen; C1C5alkyl; C1C5alkoxy; halogen, preferably Cl; or hydroxy; R4 and R5 are each independently of the other hydrogen; or d-C5alkyl; m is 1 or 2; n is O or 1 ; if m = 1 , R2 is hydrogen; unsubstituted or phenyl-substituted d-C1-C12alkyl; or C6-C10aryl; if m = 2, R2 is the direct bond; or -(CH2)P-; and p is 1 to 3; for enhancing the photostability of cosmetic or dermatologic compositons comprising at least one further organic UV absorber.