公开(公告)号：EP0264435B1

公开(公告)日：1992-03-04

申请号：EP87903284.5

申请日：1987-04-22

申请人： MERCK PATENT GmbH

发明人： REIFFENRATH, Volker ,  KRAUSE, Joachim ,  GEELHAAR, Thomas ,  EIDENSCHINK, Rudolf ,  KURMEIER, Hans-Adolf ,  POETSCH, Eike ,  SCHEUBLE, Bernhard Bluff 100 100-1 Yamate-cho ,  WEBER, Georg

IPC分类号： C09K19/30 ,  C09K19/34 ,  C09K19/20

CPC分类号： C09K19/3402 ,  C09K19/2007 ,  C09K19/3003 ,  C09K19/3028 ,  C09K19/3068 ,  C09K19/321 ,  C09K19/3441 ,  C09K19/3444 ,  C09K19/3469 ,  C09K19/3491 ,  C09K2019/3422

摘要： Trifluortoluol derivates having formula (I), in which R1 means alkyl with 1 to 12 C atoms, in which one or several non-adjacent CH2 groups may be substituted by -O-, -CO-, -O-CO-, -CO-O-, -O-CO-O-, -CH halogen, -CH-CN- and/or -CH=CH-; A1 and A2 means independently from each other 1,4 phenylene, unsubstituted or substituted one or several times with halogen, nitrile and/or CH3, in which one or two non-adjacent CH2 groups may be substituted with -O- and/or -S-, or 1,4-bicyclo(2,2,2)octylen, Z1 and Z2 mean independently from each other -CO-O-, -O-CO-, -CH2O-, -OCH2-, -CH2CH2- or a simple bond and n means 0 or 1. These derivates are used as components of chirally oriented smectic phases.