Chlorophenylalkoxyalkyl compounds

Details Chlorophenylalkoxyalkyl compounds Chlorophenylalkoxyalkyl compounds

1993-02-11

1995-03-21

Richter, Johann

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544333, 544335, 544357, 544405, 546255, 546256, 546268, 546344, 568661, C07C 43168, C07D40306, C07D24112

Patent

active

053996895

ABSTRACT:
The present invention is concerned with novel chlorophenylalkoxyalkyl compounds of the general formula ##STR1## wherein R denotes an alkyl residue with 1 to 12 carbon atoms; n is a whole number of 2 to 7, ring A denotes trans-1,4-cyclohexylene or 1,4-phenylene; m is either 0 or 1; ring B is trans-1,4-cyclohexylene, 1,4-phenylene in which optionally one CH group or two non-adjacent CH groups is/are replaced by nitrogen or, when m stands for 1, also trans-1,3-dioxane-2,5-diyl; Y.sup.1 and Y.sup.2 each independently represent a single covalent bond or --CH.sub.2 CH.sub.2 --; and X denotes hydrogen, fluorine or chlorine, their manufacture, liquid crystalline mixtures which contain these compounds, their production and use for electro-optical purposes.

REFERENCES:
patent: 4710315 (1987-12-01), Schad et al.
patent: 4846998 (1989-07-01), Pohl et al.
patent: 4871470 (1989-10-01), Wachtler et al.
patent: 4943384 (1990-07-01), Sucrow et al.
patent: 5068462 (1991-11-01), Sasaki et al.
Derwent Abstract 91-059121/09 of DE 4,025,818.
Derwent Abstract 91-074773/11 of DE 4,027,840.

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