Patent ID: 9312495
Filing Date: 2016-04-12
CPC Classification: C07C,C07D,C09K,H01L,H05B,Y02E

Claim Text:
1. A compound of the formula (1), where the following applies to the symbols and indices used: Ar is, identically or differently on each occurrence, an aromatic ring system selected from the group consisting of benzene, naphthalene, phenanthrene, fluorene, spirobifluorene, dibenzofuran and dibenzothiophene, each of which is optionally substituted by one or more radicals R Ar where the dashed bond indicates the position of the bond to the nitrogen; R is on each occurrence, identically or differently, and are H, D, F, Cl, Br, I, CN, Si(R R R R m is 0, 1, 2 or 3; n is on each occurrence, identically or differently, 0, 1, 2, 3 or 4; p is 0, 1 or 2; the following compounds are excluded from the invention: