Novel optically active tolan derivatives

Details Novel optically active tolan derivatives Novel optically active tolan derivatives

1987-06-15

1989-03-21

Gron, Teddy S.

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

Organic compounds

Oxygen containing

25229901, 25229963, 2522996, C09K 1952, C09K 1906, C09K 1930, C07C 43215

Patent

active

048145165

ABSTRACT:
Optically active tolan compounds of the formula ##STR1## wherein R and R' are straight chain alkyl and n is 0 or 1, are useful in the preparation of liquid crystalline materials capable of effectively preventing cross-talk due to temperature changes in high level, multiplexing driving systems.

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Bernotas et al., Advances in LC Research & Appl., vol. 2, pp. 1019-1022 (1980).
Malthete et al., Mol. Cryst. Liq. Cryst., vol. 23, pp. 233-260 (1973).
Demus et al., Flussige Kristalle in Tabellen, pp. 52-55 (1974).
Demus et al., Flussige Kristalle in Tabellen II, pp. 104-107 (1984).
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