Heterocyclically anellated indenochromene derivatives

Details Heterocyclically anellated indenochromene derivatives Heterocyclically anellated indenochromene derivatives

C - Chemistry, Metallurgy

07

D

C07D 493/04 (2006.01) C07D 209/00 (2006.01) C07D 307/00 (2006.01) C07D 311/00 (2006.01) C07D 333/00 (2006.01) C07D 491/04 (2006.01) C07D 495/04 (2006.01) C08K 5/00 (2006.01) C08K 5/15 (2006.01) C08K 5/1535 (2006.01) C09K 9/02 (2006.01) G02B 5/23 (2006.01)

Patent

CA 2359046

The present invention relates to specific photochromic heterocyclically annellated indenochromene derivatives and the use thereof in plastics of all types, particularly for ophthalmic applications. In particular, the present invention relates to indeno[2,1-f] chromene derivatives having the following general formula (I) and indeno[1,2-h] chromene derivatives having the following general formula (II): Image

La présente invention concerne des dérivés indénochromes spécifiques, photochromes, hétérocycliquement annelés, ainsi que leur utilisation dans des matières plastiques de tout type, en particulier à des fins ophtalmiques. L'invention concerne en particulier des dérivés indéno[2,1-f]chromes correspondant à la formule générale (I), ainsi que des dérivés indéno[1,2-h]chromes correspondant à la formule générale (II).

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