Photochromic compounds

Details Photochromic compounds Photochromic compounds

C - Chemistry, Metallurgy

07

D

C07D 311/00 (2006.01) C09K 9/02 (2006.01)

Patent

CA 2745764

A photochromic compound is provided, which may be a pyran, an oxazine, or a fulgide. The photochromic compound has at least one substituent Q attached thereto, each Q independently being - N3, -CN, -COOR', -CCR', -C(R')C(R')R', -OCOR', -OCOOR', -SR', -OSO2R"', and/or -CON(R')R', wherein each R' is hydrogen, an unsubstituted or substituted alkyl group having from 1 to 18 carbon atoms; an unsubstituted or substituted aryl group, an unsubstituted or substituted alkene or alkyne group having from 2 to 18 carbon atoms, wherein the substituents are halo or hydroxyl and R"' is -CF3 or a perfluorinated alkyl group having from 2 to 18 carbon atoms The number, locations and nature of the constituents Q are dependent upon the structure of the photochromic compound.

Linvention concerne un composé photochromique pouvant être un pyrane, une oxazine ou un fulgide. Au moins un substituant Q est fixé au composé photochromique, chaque Q étant indépendamment -N3, -CN, -COOR', -CCR', -C(R')C(R')R', -OCOR', -OCOOR', -SR', -OSO2R''' et/ou -CON(R')R', chaque R' étant un hydrogène, un groupe alkyle substitué ou non substitué contenant 1 à 18 atomes de carbone ; un groupe aryle substitué ou non substitué, un groupe alcène ou alcyne substitué ou non substitué contenant 2 à 18 atomes de carbone, les substituants étant des halogènes ou des hydroxyle et R"' étant -CF3 ou un groupe alkyle perfluoré contenant 2 à 18 atomes de carbone. Le nombre, lemplacement et la nature des substituants Q dépendent de la structure du composé photochromique.

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