Polymerizable biaryls, process for their preparation and...

Details Polymerizable biaryls, process for their preparation and... Polymerizable biaryls, process for their preparation and...

C - Chemistry, Metallurgy

07

C

C07C 43/225 (2006.01) C07B 37/04 (2006.01) C07C 17/12 (2006.01) C07C 17/16 (2006.01) C07C 29/147 (2006.01) C07C 43/23 (2006.01) C07C 45/29 (2006.01) C07C 67/343 (2006.01) C07C 69/76 (2006.01) C07C 69/94 (2006.01) C07F 9/40 (2006.01) C08G 61/00 (2006.01) C09K 11/06 (2006.01) C09K 11/07 (2006.01)

Patent

CA 2274648

A process for preparing polymerizable biaryl derivatives of Formula (I) (see formula I) comprises reacting an aromatic comprising a 6-membered ring which bears ester or benzylic OH groups in the 1,4 position with a second aromatic in a palladium-catalyzed cross- coupling reaction to give a biaryl and converting the ester or benzylic OH groups into polymerizable groups in one or more steps. The biaryls obtained are suitable for preparing polymers which are used as electroluminescence materials.

Un procédé pour la préparation de dérivés de biaryle polymérisables est caractérisé en ce qu'un composé aromatique hexacyclique portant en position 1,4 des groupes ester ou des groupes OH benzyliques est mis en réaction, lors d'une réaction de couplage croisé catalysée au palladium, avec un deuxième composé aromatique pour donner un biaryle, et les groupes ester ou OH benzyliques sont transformés en groupes polymérisables, éventuellement en plusieurs étapes. Les biaryles obtenus conviennent à la préparation de polymères s'utilisant comme matériaux électroluminescents.

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