Patent ID: 8465672

Claim:
A tetrahydropyran compound of formula I in which R 1 and X 1 denote H, an unsubstituted or mono- or poly-halogen-sub-stituted alkyl or alkoxy radical having 1 to 15 carbon atoms or alkenyl or alkenyloxy radical having 2 to 15 carbon atoms, in which one or more CH 2 groups are optionally each, independently of one another, replaced by —C≡C—, —CH═CH—, —CF═CF—, —O —, —(CO)O—or —O(CO)— in such a way that O atoms are not linked directly to one another; or one of the radicals R 1 and X 1 also denotes F, Cl, CN, NCS or SF 5 , rings A 1 and A 2 denote, independently of one another, 1,4-cyclohexylene, 1,4-cyclohexenylene or 1,4-cyclohexadienylene, which are unsubstituted or substituted by 1 to 3 F, L 1 and L 2 denote, independently of one another, H or F, m denotes 0 or 1 and n denotes 1, 2 or 3, where m+n is≧2.