Novel photochromic heterocyclic fused indenonaphthopyrans

Details Novel photochromic heterocyclic fused indenonaphthopyrans Novel photochromic heterocyclic fused indenonaphthopyrans

C - Chemistry, Metallurgy

07

D

C07D 493/04 (2006.01) C07D 491/052 (2006.01) C07D 491/107 (2006.01) C07D 493/10 (2006.01) C07D 495/04 (2006.01) C07D 495/10 (2006.01) C09K 9/02 (2006.01) G02B 5/23 (2006.01)

Patent

CA 2256479

Described are novel photochromic heterocyclic fused indenonaphthopyran compounds having a substituted or unsubstituted heterocylic ring fused to the g, h, i, n, o or p side of the indenonephthopyran. These compounds may be represented by either of graphic formulae (I), (I'). Also described are polymeric organic host materials that contain or that are coated with such compounds. (See formula I)

Nouveaux composés d'indenonaphtopyrane fusionnés hétérocycliques photochromiques dont une chaîne hétérocyclique substituée ou insubstituée est fusionnée au côté g, h, i, n, o ou p de l'indenonaphtopyrane. Ces composés peuvent être représentés par l'une ou l'autre des formules graphiques (I), (I'). L'invention concerne également des matériaux récepteurs polymères organiques contenant lesdits composés ou revêtus par lesdits composés.

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