Patent ID: 8444877
Filing Date: 2013-05-21
Classification: C07C,C07D,C09K

Abstract:
1. A compound having the formula: where wherein one or more hydrogen atoms on the A ring may be replaced with one or more halogen atoms; R B and C are each independently selected from the group consisting of: 1,4-cyclohexene, cyclohexenyl, 1,4-phenyl, 1,3-dioxan-5,2-diyl, Pyridin-5,2-dyl, pyrimidin-5,2-diyl, naphthalene-2,6-diyl, trans-decahydronaphthalene-2,6-diyl, tetrahydronaphthalene-2,6-diyl, indeneyl, phenanthryl, and dibenzo[b,d]furan; in which one or more hydrogen atoms in any ring structure may be independently replaced by one or more halogen atoms; Z1 is a single bond or —(CH Z2, and Z3 are each independently selected from the group consisting of: a single bond, —(CH K=0,1; n and m are independently 0, 1, or 2; wherein K+n+m≧2; X1, X2, X3 and X4 are independently in each instance selected from the group consisting of: H, F, Cl, CF Y is selected from the group consisting of: H, F, Cl, CN, NCS, OCHF and where one or more hydrogen atoms may be replaced with deuterium; provided that the linker between the A ring and the next ring is not —OC(═O)—; —OCH  the linker between the A ring and the next ring is not —C  Y is selected from F, Cl, CN, NCS.