A novel bipyrimidinyl derivative which is superior in practical properties and useful as a high temperature liquid crystal component constituting a physically and chemically stable liquid crystal composition is provided, which bipyrimidinyl derivative is a 2, 5' -disubstituted- 5, 2' -bipyrimidinyl expressed by the formula
represants
represents a halogen atom of F, Cℓ or Br or cyano group or an alkyl group or an alkoxy group each having 1 to 10 carbon atoms and R represents an alkyl group or an alkoxy group each having 1 to 10 carbon atoms.
本发明提供了一种新型双
嘧啶基衍
生物,该衍
生物具有优异的实用性能,可用作高温液晶成分,构成物理和
化学性质稳定的液晶组合物,该双
嘧啶基衍
生物是由式表示的 2, 5' -二取代- 5, 2' -双
嘧啶基,式中代表 F、Cℓ 或 Br 的卤素原子或
氰基或烷基或烷氧基,每个烷基或烷氧基具有 1 至 10 个碳原子,R 代表烷基或烷氧基,每个烷基或烷氧基具有 1 至 10 个碳原子。