Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1985-11-25
1993-07-13
Gerstl, Robert
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544296, 544298, 544315, C07D23926
Patent
active
052274845
ABSTRACT:
Anisotropic compounds having a nematic phase have the formula ##STR1## wherein A is a cyclic radical selected from the group consisting of ##STR2## Z is selected from the group consisting of a single bond, a --CH2CH2-- group,
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Huynh-Ba Tuong
Osman Maged A.
Gerstl Robert
Merck Patent GmbH
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