High temperature liquid-crystalline ester compounds

Details High temperature liquid-crystalline ester compounds High temperature liquid-crystalline ester compounds

1984-12-19

1987-10-20

Gron, Teddy S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

2522995, 25229963, 350350R, 560107, 560108, 560116, 560 72, 560 73, 560 65, 558414, 558416, C07C 6976, C09K 1930

Patent

active

047015470

ABSTRACT:
New liquid-crystalline ester compounds which exhibit a liquid-crystalline phase within a broad temperature range and have a positive, dielectric anisotropy, and a liquid-crystalline composition comprising the same are provided which ester compounds are expressed by the general formula ##STR1## wherein R represents hydrogen atom or an alkyl group of 1 to 10 carbon atoms; ##STR2## each represent ##STR3## X represents ##STR4## Y represents hydrogen atom, F, Cl or CN; and Z represents F, Cl or CN.

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