Liquid crystalline compounds

Details Liquid crystalline compounds Liquid crystalline compounds

1987-05-27

1988-09-13

Gron, Teddy S.

Compositions

Radioactive compositions

Nuclear reactor fuel

2522995, 25229961, 25229963, 544242, 544335, 558 17, 558411, 558425, G02F 113, C09K 1934, C09K 1930, C09D23900, C09D23902, C07C16104

Patent

active

047705035

ABSTRACT:
Compounds of the formula ##STR1## wherein m stands for a whole number of 4-7 and n stands for 0 or a positive whole number; ring A represents trans-1,4-cyclohexylene or a 2,5-disubstituted pyrimidine ring; Z signifies a single covalent bond or, insofar as ring A represents trans-1,4-cyclohexylene, also the ethylene group --CH.sub.2 CH.sub.2 --; X denotes hydrogen or fluorine; and R represents the group --NCS or --CN,
their manufacture, liquid crystalline mixtures which contain these compounds and the use of these compounds and mixtures for electro-optical purposes are described.

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