Patent ID: 7179915
Filing Date: 2007-02-20
Classification: C07F,C09K,H01L

Abstract:
1. A process for preparing compounds (I) and (II) where A and A′ are the same or different at each instance and are N or C—H; X and X′ are the same or different at each instance and are —CH═CH—, —CR═CH—, —CR═CR—, N—H, N—R R and R′ are the same or different at each instance and are F, CL, Br, NO R a is 0,1,2,3, or 4; and b is 0,1, or 2; by reacting a compound (Ia), (IIa), (IIIa) where Y is F, Cl, Br, OH, or a straight-chain, branched, or cyclic alkoxy group having from 1 to 8 carbon atoms or a phenoxy group; R with a compound (Ib), (IIb) where the A, A′, X, X′, R, R′ radicals, a, and b are each as defined above, with addition of a Lewis acid.