公开(公告)号：EP0097033A3

公开(公告)日：1985-01-16

申请号：EP83303348

申请日：1983-06-09

申请人： The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and

发明人： Andrews, Beatrice Mary ,  Carr, Neil ,  Gray, George William ,  Hogg, Christine

IPC分类号： C09K03/34 ,  C07D319/06 ,  C07D239/26

CPC分类号： C07D239/26 ,  C07D313/06 ,  C09K19/3402 ,  C09K19/3469 ,  C09K2019/3422

摘要： A novel liquid crystal compound has a formula:
where:
is a trans-2,5-disubstituted-1,3-dioxan ring or a 2,5- disubstituted-1,3-pyrimidine ring
is a 1,4-disubstituted benzene ring optionally containing one or more F, Cl or CH 3 groups as lateral substituents; R 1 is an alkyl group; and X is a terminal group selected from H, CN, Cl, F and R 2 where R 2 is selected from alkyl R 3 , alkoxy OR 3 , alkylcarbonyloxy OCOR 3 and alkoxycarbonyloxy OCOOR 3 .