Patent ID: 11964933
Assignee: MERCK PATENT GMBH
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C  G

Claim 9:
10. The liquid crystal medium according to claim 9, wherein the medium comprises one or more compounds selected from the group of compounds of formulae I, II and III,, in which
R1 denotes H, unfluorinated alkyl or unfluorinated alkoxy having 1 to 17 C atoms, or unfluorinated alkenyl, unfluorinated alkenyloxy or unfluorinated alkoxyalkyl having 2 to 15 C atoms, in which one or more CH2-groups may be replaced by, n is 0, 1 or 2,, , or, on each occurrence, independently of one another, denote, in which RL, on each occurrence identically or differently,
denotes H or alkyl having 1 to 6 C atoms,
and wherein, , alternatively denotes, R2 denotes H, unfluorinated alkyl or unfluorinated alkoxy having 1 to 17 C atoms, or unfluorinated alkenyl, unfluorinated alkenyloxy or unfluorinated alkoxyalkyl having 2 to 15 C atoms, in which
one or more CH2-groups may be replaced by, Z21 denotes trans-CH═CH—, trans-CF═CF— or —C≡C—,, independently of one another, denote, in which RL, on each occurrence identically or differently,
denotes H or alkyl having 1 to 6 C atoms;

R3 denotes H, unfluorinated alkyl or unfluorinated alkoxy having 1 to 17 C atoms, or unfluorinated alkenyl, unfluorinated alkenyloxy or unfluorinated alkoxyalkyl having 2 to 15 C atoms, in which one or more CH2-groups may be replaced by, one of Z31 and Z32 denotes trans-CH═CH—, trans-CF═CF— or —C≡C— and the other one, independently thereof, denotes —C≡C—, trans-CH═CH—, trans-CF═CF— or a single bond, and, , to, independently of one another, denote, in which RL, on each occurrence identically or differently,
denotes H or alkyl having 1 to 6 C atoms,
and wherein, , alternatively denotes, , alternatively denotes,