Patent ID: 8455563

Claim:
A compound of formula I P-Sp-(A 1 -Z 1 ) m -A 2 -C≡C-A 3 -NCS I wherein P is a polymerizable group, Sp is a spacer group or a single bond, A 1 is, in case of multiple occurrences independently of one another, a carbocylic, heterocyclic, aromatic or heteroaromatic group, which is optionally substituted by one or more groups L, A 2 and A 3 are, independently of each other, 1,4-phenylene or naphthalene-2,6-diyl, in which one or more CH groups are optionally replaced by N, and which are optionally substituted by one or more groups L, Z 1 is, in case of multiple occurrences independently of one another, —O—, —S—, —CO—, —COO—, —OCO—, —O—COO—, —CO—NR 0 —, —NR 0 —CO—, —NR 0 —CO—NR 0 —, —OCH 2 —, —CH 2 O—, —SCH 2 —, —CH 2 S—, —CF 2 O—, —OCF 2 —, —CF 2 S—, —SCF 2 —, —CH 2 CH 2 —, —(CH 2 ) 3 —, —(CH 2 ) 4 —, —CF 2 CH 2 —, —CH 2 CF 2 —, —CF 2 CF 2 —, —CH═CH—, —CY 1 ═CY 2 —, —CH═N—, —N═CH—, —N═N—, —CH═CR 0 —, —C≡C—, —CH═CH—COO—, —OCO—CH═CH—, CR 0 R 00 or a single bond, L is, in case of multiple occurrences independently of one another, P-Sp-, F, Cl, Br, I, —CN, —NO 2 , —NCO, —NCS, —OCN, —SCN, —C(═O)NR 0 R 00 , —C(═O)X, —C(═O)OR 0 , —C(═O)R 0 , —NR 0 R 00 , —OH, —SF 5 , optionally substituted silyl, aryl or heteroaryl with 1 to 12 C atoms, or straight chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 to 12 C atoms, in which one or more H atoms are optionally replaced by F or Cl, X is halogen, R 0 and R 00 are, independently of each other, H or alkyl with 1 to 12 C-atoms, and m is 0, 1, 2, 3 or 4, wherein, in case m is 0, one or both of A 2 and A 3 denote 1,4-phenylene that is at least monosubstituted by L, or optionally substituted naphthalene-2,6-diyl.