Title:
NAPHTHALENE DERIVATIVES* DIELECTRIC BODY CONTAINING THEM AND ELECTROOPTICAL DISPLAY ELEMENT
Document Type and Number:
Japanese Patent JPS5692223
Kind Code:
A
Abstract:
Liquid crystalline naphthalene derivatives of the formula wherein ring A is 1,4-phenylene, trans-1,4-cyclohexylene or 1,4-cyclohex-1-enylene and ring system BC is 2,6-naphthylene, 3,4-dihydro-2,6-naphthylene or 1,2,3,4-tetrahydro-2,6-naphthylene, with the proviso that A is not 1,4-phenylene when BC is 2,6-naphthylene; and R1 and R2, which are identical or different, are each alkyl of up to 8 C atoms or, when the rings to which they are bonded are aromatic, also can be alkoxy, alkanoyloxy or alkoxycarbonyloxy having up to 8 C atoms in each case; or one of R1 and R2 also can be CN, halogen, CF3 or NO2 are valuable components for liquid crystalline dielectrics.
Inventors:
YOAHIMU KURAUSU
MIHAERU REMERU
RUUTOBUITSUHI POORU
MIHAERU REMERU
RUUTOBUITSUHI POORU
Application Number:
JP17108880A
Publication Date:
July 25, 1981
Filing Date:
December 05, 1980
Export Citation:
Assignee:
MERCK PATENT GMBH
International Classes:
C07C69/035; C07C1/00; C07C13/28; C07C13/47; C07C13/48; C07C15/24; C07C17/00; C07C17/12; C07C17/16; C07C17/18; C07C17/20; C07C17/26; C07C22/02; C07C22/04; C07C22/08; C07C23/00; C07C23/18; C07C23/36; C07C25/18; C07C25/22; C07C29/00; C07C29/145; C07C41/00; C07C43/20; C07C43/21; C07C43/225; C07C43/235; C07C45/46; C07C45/75; C07C49/67; C07C49/83; C07C51/08; C07C67/00; C07C69/14; C07C69/24; C07C201/00; C07C205/05; C07C253/00; C07C255/47; C07C255/50; C07C255/52; C09K19/00; C09K19/32; C09K19/46; (IPC1-7): C07C13/28; C07C13/47; C07C21/24; C07C23/00; C07C25/00; C07C43/20; C07C69/035; C07C79/00; C07C121/50; C07C121/60; C09K3/34