Patent ID: 11939511
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 of formula I-4-1,, wherein
Y, R21, X21,
and Sp21 have in each occurrence and each and independently from another, one of the meanings as given for the compound of formula I,
Z11 and Z21 have each independently from another one of the meanings for Z as given for the compound of formula I,
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 1,4-phenylene or 1,3-phenylene, in which one or two CH groups may be replaced by N and wherein one or more H atoms may be replaced by L as given for formula I, or trans-1,4-cyclohexylene or 1,4-cyclohexenylene, in which 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.