发明名称 Phenylcyclohexanes and liquid crystal medium
摘要 <p>Novel phenylcyclohexanes of the formula I in which n is 0 to 7, Q<SUP>1 </SUP>and Q<SUP>2 </SUP>are H, or one of these radicals is alternatively CH<SUB>3</SUB>, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond, X is F, Cl, -CF<SUB>3</SUB>, -CN, -OCF<SUB>3 </SUB>or -OCHF<SUB>2</SUB>, and Y and Z are each, independently of one another, H or F, with the proviso that, in the case where A is a single bond, Q<SUP>1</SUP>=Q<SUP>2</SUP>=H and simultaneously X=CN, Y and/or Z are F.</p>
申请公布号 SG26368(G) 申请公布日期 1995.09.18
申请号 SG19950904314 申请日期 1990.08.13
申请人 MERCK PATENT GMBH 发明人 WAECHTLER ANDREAS;HITTICH REINHARD;POETSCH EIKE;PLACH HERBERT;COATES DAVID;RIEGER BERNHARD;KRAUSE JOACHIM
分类号 C07C17/26;C07C22/08;C07C25/13;C07C25/24;C07C25/28;C07C43/225;C07C255/50;C09K19/30;C09K19/42;G02F1/13;(IPC1-7):C07C25/13 主分类号 C07C17/26
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