Polymerizable compound

摘要

The invention provides a compound having two polymerizable groups, wherein one is bonded directly to the ring and the other is bonded to the ring through a spacer, as a compound in which the polymerizability is not decreased and the solubility is high in a liquid crystal composition. A compound represented by formula (1), wherein;
in formula (1), for example, A1 and A2 are 1,4-phenylene in which at least one hydrogen has been replaced by fluorine; Z1 is alkylene having 1 to 12 carbons; Z2 is alkylene having 1 to 12 carbons; X1 is hydrogen, fluorine, methyl or trifluoromethyl; P1 is a polymerizable group; and a is an integer from 0 to 3.

主权项

1. A compound represented by formula (1-1) or (1-2), whereinin formula (1-1),
Z3 is alkylene having 1 to 7 carbons, and at least one —CH2— in the alkylene has been replaced by —CH═CH—O—; Y1 to Y8 are independently hydrogen, fluorine, methyl or trifluoromethyl; X1 is hydrogen, fluorine, methyl or trifluoromethyl; and P1 is a polymerizable group selected from groups represented by formula (P-1) to formula (P-3),in formula (1-2),
Z3 is alkylene having 1 to 7 carbons, and at least one-CH2— in the alkylene has been replaced by —CH═CH—O—; L1 to L12 are independently hydrogen, fluorine, methyl or trifluoromethyl; X1 is hydrogen, fluorine, methyl or trifluoromethyl; and P1 is a polymerizable group selected from groups represented by formula (P-1) to formula (P-3).