Patent ID: 6106908
Filing Date: 2000-08-22
Classification: C07C,C07D,C09K

Abstract:
A compound of formula I: ##STR26## wherein n is 1-5;m is 0-5;p is 0, 1 or 2;q is 0, 1 or 2p+q is less than or equal to 3;A.sub.1, A.sub.2, A.sub.3 are independently chosen from 1,4-disubstituted benzene, 2,5-disubstituted pyrimidine, 2,5-disubstituted pyridine, 2,6-disubstituted naphthalene which may be laterally substituted with F, Cl, Br or CN, trans-1,4-disubstituted cyclohexane 2,5-disubstituted dioxane, 2,5-disubstituted thiophene, 2,5-disubstituted furan, and 2,5-disubstituted thiodiazole;Z.sub.1 may be COO, OOC, OCH.sub.2 or O;Z.sub.2, Z.sub.3 are independently chosen from a direct bond, COO, OOC, C.sub.2 H.sub.4, CH.sub.2 O, OCH.sub.2, C.sub.4 H.sub.8, C.sub.3 H.sub.6 O, (E)--CH.dbd.CHC.sub.2 H.sub.4, (E)--CH.dbd.CHCH.sub.2 O and or --C.tbd.C--;R.sub.1 is alkyl, and may contain up to 20 carbon atoms and may be branched or a straight chain; provided that at least one of, A.sub.1, A.sub.2, A.sub.3 is selected from 1,4-disubstituted cyclochexane.