Patent ID: 11905450
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 4:
5. The compound according to claim 1, which is selected from compounds of formula I-4-1,, wherein
Y, R21, X21,
Z11, Z21
and Sp21 have, in each occurrence and each independently from another, one of the meanings as given for the compound of formulae I-2 to I-9,
r and q denote, each independently from another, 1, 2 or 3,
s denotes an integer from 1 to 6, and
A12, A21 
and A22 denote, each independently from another, a radical selected from the group consisting of 1,4-phenylene and 1,3-phenylene, wherein one or two CH groups may be replaced by N and wherein one or more H atoms may be replaced by L, or a radical selected from the group consisting of trans-1,4-cyclohexylene, and 1,4-cyclohexenylene, wherein one or more non-adjacent CH2 groups may be replaced by —O— and/or —S— and wherein one or more H atoms may be replaced by F, and
L denotes, independently of one another, in each occurrence, —OH, —F, —CI, —Br, —I, —CN, —NO2, SF5, —NCO, —NCS, —OCN, —SCN, —C(═O)N(Rz)2, —C(═O)Rz, —N(Rz)2, optionally substituted silyl, optionally substituted aryl having 6 to 20 C atoms, or straight-chain, branched or cyclic alkyl, alkoxy, alkylcarbonyl, alkoxy-carbonyl, alkylcarbonyloxy or alkoxycarbonyloxy having 1 to 25 C atoms, in which one or more H atoms may be replaced by F or Cl, or X21—Sp21-R21.