CHIRAL COMPOUNDS, CHOLESTERIC AND FERROELECTRIC LIQUID CRYSTAL COMPOSITIONS COMPRISING THESE CHIRAL COMPOUNDS, AND LIQUID CRYSTAL DISPLAYS COMPRISING THESE LIQUID CRYSTAL COMPOSITIONS
申请人:Haase Wolfgang
公开号:US20110233463A1
公开(公告)日:2011-09-29
Chiral liquid crystal compounds of the general formula (1):
in which at least one of R
1
and R
2
is a chiral substituent,
K may be a single bond or the same as K
1-5
and K
1-5
denote a six-membered ring system which rings may be at least partially unsaturated, wherein the number of atoms in these rings or ring systems between the two atoms forming a part of the link to the next ring, or to one of the substituents R
1
and R
2
, does not differ by more than one if counted in the clockwise, and in the counter-clockwise sense, starting from the same atom in each case, X
1-20
denote alkyl, or alkoxy, or fluorinated alkyl, or fluorinated alkoxy groups, or atom H, or halogen atoms, mixtures comprising such chiral liquid crystal compounds, and liquid crystal displays comprising such mixtures as active ingredients
[DE] Delta<15>-D-HOMOSTEROIDE MIT ANDROGENER WIRKUNG<br/>[EN] Delta<15>-D-HOMOSTEROIDS HAVING AN ANDROGENIC EFFECT<br/>[FR] Delta<15>-D-HOMOSTEROIDES A EFFET ANDROGENE
申请人:SCHERING AG
公开号:WO2005021573A1
公开(公告)日:2005-03-10
Die Erfindung betrifft Δ15-D-Homosteroide der allgemeinen Formel (I). Verfahren zu deren Herstellung und pharmazeutische Zusammensetzungen, die diese Verbindungen enthalten. Die erfindungsgemäßen Verbindungen der allgemeinen Formel (I) besitzen androgene Aktivität.
Synthesis and Structure of Stereoisomeric Multivicinal Hexafluoroalkanes
作者:Luke Hunter、Peer Kirsch、Alexandra M. Z. Slawin、David O'Hagan
DOI:10.1002/anie.200901956
日期:2009.7.13
carbon backbone have been synthesized in a stereocontrolled manner. X‐ray crystallography shows that the fluoroalkane can adopt a helical or a zigzag shape depending on the stereochemical pattern (see structures). These findings are rationalized by simple stereochemical effects associated with CF bonds.
LIQUID CRYSTALLINE COMPOUND HAVING NEGATIVE DIELECTRIC ANISOTROPY, AND LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE EACH COMPRISING SAME
申请人:JNC Corporation
公开号:EP2399896B1
公开(公告)日:2016-04-13
Fl�ssig-kristalline Cyclohexan-Derivate mit lateralen Substituenten in der Alkylmittelgruppe