Ultraviolet light-absorbing compounds and sunscreen...

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 255/41 (2006.01) C07C 317/28 (2006.01) C07D 235/20 (2006.01) C07D 263/56 (2006.01) C07D 277/64 (2006.01) C07D 285/12 (2006.01) C07D 295/185 (2006.01) C07D 307/54 (2006.01) C07D 333/24 (2006.01) C08G 63/676 (2006.01) C08G 63/68 (2006.01) C08G 63/685 (2006.01) C08G 63/688 (2006.01) C08G 63/91 (2006.01) C08G 85/00 (2006.01)

Patent

CA 2051690

Disclosed are certain poly-methine compounds having formula (I), wherein each R1 is independently selected from cyano; carboxy; alkenylocarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from -O- or -S-; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom. Also disclosed are sunscreen formulations and polymeric compositions containing at least one of the poly-methine compounds or she reactive residue thereof.

Les composés de poly-méthine faisant l'objet de la présente divulgation correspondent à la formule (I) dans laquelle chaque R1 est choisi individuellement parmi les groupements cyano; carboxy, l'alkénylcarbonyle; un radical alkoxycarbonyle, cycloalkoxycarbonyle ou aryloxycarbonyle non substitué ou substitué; un radical aryle carbocyclique ou hétérocyclique non substitué ou substitué; un radical alkanoyle, cycloalkanoyle ou aroyle non substitué ou substitué; un radical carbamyle non substitué ou substitué; ou un alkylsulfonyle, cycloalkylsulfonyle ou arylsulfonyle non substitué ou substitué; chaque R2 est choisi individuellement parmi les radicaux cyano ou alkoxycarbonyle, cycloalkoxycarbonyle ou aryloxycarbonyle non substitué ou substitué; chaque A est choisi individuellement parmi les radicaux 1,2-phénylène ou 1,2-naphtylène non substitués ou substitués; chaque Z est choisi individuellement parmi les groupements -O- ou -S-; et L est un groupe de liaison organique lié par des atomes de carbone non-oxo à chacun des atomes Z. Des formulations antisolaires et des compositions polymériques renfermant au moins un des composés de poly-méthine ou les résidus réactifs font aussi l'objet de la présente divulgation.

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