2-adamantyl benzopyrans, the compositions and (co)polymer...

Details 2-adamantyl benzopyrans, the compositions and (co)polymer... 2-adamantyl benzopyrans, the compositions and (co)polymer...

C - Chemistry, Metallurgy

07

D

C07D 311/92 (2006.01) C07D 311/96 (2006.01) C08F 246/00 (2006.01) C08K 5/15 (2006.01) C08K 5/24 (2006.01) C08K 5/45 (2006.01) F21V 9/06 (2006.01) G02B 5/23 (2006.01) G02C 7/00 (2006.01)

Patent

CA 2274175

The present invention has for subjects, novel benzopyran derivatives, substituted in position 2 with an adamantyl group as well as the compositions and (co)polymer matrices containing such derivatives. Said derivatives possess interesting photochromic properties.

La présente invention a pour objet de nouveaux dérivés de benzopyrannes, substitués en position 2 par un groupe adamantyle, ainsi que des compositions et matrices (co)polymères renfermant de tels dérivés. Lesdits dérivés possèdent d'intéressantes propriétés photochromiques.

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