公开(公告)号：US5053162A

公开(公告)日：1991-10-01

申请号：US508415

申请日：1990-04-13

申请人： Kisei Kitano ,  Yasuyuki Goto ,  Manabu Uchida ,  Makota Ushioda

发明人： Kisei Kitano ,  Yasuyuki Goto ,  Manabu Uchida ,  Makota Ushioda

IPC分类号： C07C255/50 ,  C09K19/30 ,  C09K19/42 ,  C09K19/44 ,  C09K19/54

CPC分类号： C09K19/3003 ,  C07C255/50 ,  C07C2101/14

摘要： A liquid crystalline compound having a small .DELTA.n value; suitable for preparing a liquid crystal display element having a broad viewing angle; having a large positive .DELTA..epsilon. value; and suitable for preparing a liquid crystal composition having a low driving voltage for liquid crystal display devices, and a liquid crystal composition containing the compound are provided, which compound is expressed by the formula ##STR1## wherein n represents an integer of 0 to 20.