Patent ID: 8652353
Filing Date: 2014-02-18
Classification: C09K

Abstract:
1. The compound of general formula I wherein R3 is an alkyl (H 2n+1 C n ) or an alkenyl (H 2n−1 C n ) group, each of 1 to 12 carbon atoms (n integer of 1 to 12), the ring A is laterally unsubstituted benzene or pyridine or pyrimidine or trans-substituted cyclohexane ring, symbol r is 0 to 2; the lateral substituents: X 2 , X 3 , X 4 and X 5 in the benzene rings represent independently hydrogen or fluorine or chlorine atoms, X 1 is hydrogen or fluorine atom and simultaneously at least one of the substituents: X 2 , X 3 and X 4 is fluorine atom or chlorine atom, Y is an alkyl (H 2m+1 C m ) or an alkyloxy (H 2m−1 C m O) or an alkenyl (H 2m−1 C m ) or an alkenyloxy (H 2m−1 C m O) group, each of 1 to 12 carbon atoms (m integer of 1 to 12) or hydrogen or fluorine or chlorine atom or NCS group.