Patent ID: 7365222

Claim:
A bicyclic cyclopropane derivative of the Formula (I) in which R 1 , R 2 , X, Y, n, m and r, independently of one another, having the following meanings: n+m=0 to 8; r=2 to 4; R 1 =is absent, or a C 1 -C 20 alkylene radical which can be interrupted by O or S, a cycloaliphatic C 4 -C 12 radical, a bicyclic C 4 -C 12 radical, a C 6 -C 14 arylene or C 7 -C 20 alkylenearylene radical; R 2 =is an r-times substituted aliphatic C 1 to C 20 radical which can be interrupted by O or S, a cycloaliphatic C 4 -C 12 radical, an aromatic C 6 -C 14 radical or aliphatic-aromatic C 7 -C 20 radical; X=is absent, —CO—O—, —CO—NH— or —O—CO—NH— and Y=CH 2 , O or S, wherein R 2 is unsubstituted or substituted by alkyl, halogen, OCH 3 , OC 2 H 5 , vinyl, propenyl, (meth)acryl, CO—OR 3 or a mesogenic group, with R 3 =H or C 1 to C 10 alkyl or a phenyl radical.