Naphthopyran derivatives, compositions and (co)polymers...

Details Naphthopyran derivatives, compositions and (co)polymers... Naphthopyran derivatives, compositions and (co)polymers...

C - Chemistry, Metallurgy

07

D

C07D 205/02 (2006.01) C03C 1/10 (2006.01) C03C 4/06 (2006.01) C03C 14/00 (2006.01) C07D 207/02 (2006.01) C07D 223/04 (2006.01) C07D 225/02 (2006.01) C07D 311/92 (2006.01) C07D 313/18 (2006.01) C07D 333/02 (2006.01) C07D 337/04 (2006.01) C07D 337/16 (2006.01) C07D 409/10 (2006.01) C09K 9/02 (2006.01)

Patent

CA 2283748

For subject, the present invention has novel naphthopyran derivatives of formula (I) optionally substituted in position(s) 2, 3, 4, 6, 7, 8, 9 or/and 10; the substituent Z in position 5 being of formula -C(R1)(R2)(OR3). The invention also relates to compositions and (co)polymer matrices containing such derivatives. Said derivatives have interesting photochromic properties.

La présente invention concerne de nouveaux dérivés de naphtopyranne, de formule (I): éventuellement substitués en position(s) 2, 3, 4, 6, 7, 8, 9, et/ou 10, le substituant Z, en position 5, étant de formule -C(R1)(R2)(OR3). Cette invention concerne également des compositions et des matrices de (co)polymères renfermant ces dérivés. Ces dérivés présentent d'intéressantes propriétés photochromiques.

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