Rare earth complexes

C - Chemistry – Metallurgy – 07 – F

Patent

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C07F 5/00 (2006.01) C07C 309/06 (2006.01) C07C 311/48 (2006.01)

Patent

CA 2283589

A photofunctional material comprising a rare earth complex represented by general formula (I), wherein M represents a rare earth atom; n1 is 2 or 3; n2 is 2, 3, or 4; R represents a hydrogen-free C1-20 group; X represents an atom of a Group IVA element, Group VA element excluding nitrogen, or Group VIA element excluding oxygen; n3 is 0 or 1; and Y represents C-Z' (wherein Z' is a C1-20 group containing neither deuterium, halogen, nor hydrogen), nitrogen, phosphorus, arsenic, antimony, or bismuth, or general formula (II), wherein M, R, X, n1, n2, and n3 are each as defined above.

La présente invention concerne un matériau photofonctionnel comprenant un complexe à terre rare représenté par la formule générale (I) ou par la formule générale (II). M est un atome de terre rare. n¿1? vaut 2 ou 3; n¿2? vaut 2, 3 ou 4; R est un groupe en C¿1-20? exempt d'hydrogène. X est un atome d'un élément du Groupe IVA, d'un élément du Groupe VA (à l'exclusion de l'azote), ou un élément du Groupe VIA (à l'exclusion de l'oxygène). n¿3? vaut 0 ou 1. Enfin, et Y est C-Z' (auquel cas Z' est un groupe en C¿1-20? ne contenant ni deutérium, ni halogène, ni hydrogène), azote, phosphore, arsenic, antimoine ou bismuth.

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