Benzocycle-substituted triazine and pyrimidine ultraviolet...

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 251/24 (2006.01) A61K 8/49 (2006.01) A61Q 17/04 (2006.01) C07D 239/26 (2006.01) C07D 251/20 (2006.01) C07D 251/22 (2006.01) C08K 5/3492 (2006.01)

Patent

CA 2335572

This invention relates generally to benzocycle-substituted pyrimidines and triazines and the use thereof to protect against degradation by environmental forces, inclusive of ultraviolet light, actinic radiation, oxidation, moisture, atmospheric pollutants and combinations thereof. The new class of benzocycle-substituted pyrimidines and triazines comprises a benzocycle attached to the triazine or pyrimidine ring, and preferably an additional aryl ring containing a hydroxyl group, either free or blocked to form a latent stabilizer, ortho- to the point of attachment to the triazine or pyrimidine ring. These materials may, under the appropriate circumstances, be bonded to formulations comprising coatings, polymers, resins, organic compounds and the like via reaction of the bondable functionality with the materials of the formulation. A method for stabilizing a material by incorporating such benzocycle-substituted pyrimidines and triazines is also disclosed.

La présente invention concerne des pyrimidines et des triazines substituées par cycle benzo et leur utilisation dans la protection contre les dégradations entraînées par les forces du milieu ambiant, y compris les rayons ultraviolets, les radiations actiniques, l'oxydation, l'humidité, les polluants atmosphériques et l'action de ces éléments combinés. Cette nouvelle classe de pyrimidines et triazines substituées par cycle benzo renferme un cycle benzo attaché à un noyau triazine ou pyrimidine, et de préférence un noyau aryle supplémentaire contenant un groupe hydroxyle, libre ou inhibé pour former un stabilisant latent, en ortho par rapport au point de fixation au noyau triazine ou pyramidine. Ces substances peuvent, dans des circonstances appropriées, être liées à des formulations comprenant des revêtements, des polymères, des résines, des composés organiques et analogues via la réaction de la fonctionnalité de liaison avec les composants de la formulation. L'invention concerne également un procédé permettant de stabiliser une matière en y incorporant les pyrimidines et triazines substituées par cycle benzo de l'invention.

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