公开(公告)号：DE50102568D1

公开(公告)日：2004-07-22

申请号：DE50102568

申请日：2001-03-08

Applicant: BASF AG

Inventor： PRECHTL DR ,  HAREMZA DR ,  MEYER DR ,  PARKER ROBERT ,  KUERSCHNER DR ,  VILL DR ,  PAUL DR

IPC: G02F1/13 ,  C07D319/06 ,  C08F20/30 ,  C08J5/18 ,  C09K19/34 ,  C09K19/38 ,  C09K19/58

Abstract: Chiral 2,4,5-tri-substituted 1,3-dioxane compounds (I), with different substituents containing a mesogenic group, and their diastereomers are new. Chiral 2,4,5-tri-substituted 1,3-dioxane compounds of formula (I), with different substituents containing a mesogenic group, and their diastereomers are new: [Image] R1>[P-Y1>-(A1>)m-Y2>-]qM-Y3>-(A2>)n-Y4>- group; R2>, R3>[P-Y1>-(A1>)m-Y2>-]qM-Y3>-(A2>)n-Y4>'-; A1>, A2>spacers with 1-30 carbon atoms; M : a mesogenic group; Y1>, Y2>, Y3>, Y4>a single bond, -O-, -S-, -CO-, -CO-O-, -O-CO-, -CO-N(R)-, -(R)N-CO-, -O-CO-O-, -O-CO-N(R)-, -(R)N-CO-O- or -(R)N-CO-N(R)-; Y4>' : -O-, -O-CO-, -O-CO-O- or -O-CO-N(R)-, with the O atom attaching R2>, R3> to the 1,3-dioxane ring; R : hydrogen or 1-4C alkyl; P : H, 1-12C alkyl, a polymerizable group or a group containing a polymerizable group; m, n : 0 or 1; q : 1, 2 or 3. Independent claims are also included for: (a) liquid crystal (LC) compositions containing chiral compound(s) (I); (b) polymerizable LC compositions containing chiral compound(s) (I); (c) optical devices produced using these compositions; (d) printed or coated substrates, dispersions and emulsions, films or pigments prepared using the polymerizable LC compositions.

公开(公告)号：DE50102665D1

公开(公告)日：2004-07-29

申请号：DE50102665

申请日：2001-12-01

Applicant: BASF AG

Inventor： PRECHTL DR ,  HAREMZA DR ,  PARKER ROBERT ,  KUERSCHNER DR ,  BRAUN PROF DR ,  HAHN ANTJE ,  FLEISCHER DR

IPC: C07C251/24 ,  C07F7/28 ,  C09K19/00 ,  C09K19/40 ,  C09K19/54 ,  C09K19/58

Abstract: The use of chiral, uncharged metal compounds containing two tridentate ligands with mesogenic groups, spacer groups and other groups as dopants for liquid crystalline materials. The use of chiral, uncharged compounds of formula (Ia) or (Ib) as dopants for liquid crystalline (LC) materials. ((P -Y -A -Y M -Y -)nL)2Me (Ia) ((P -Y -A -Y -M -Y -)nL)Me(L'(-Y -M -Y -A -Y -P )n')m (Ib) P , P = H, 1-12C alkyl, polymerizable groups, groups suitable for polymerization, or residues bearing such polymerizable groups; Y -Y = single bonds, -O-, -S-, -CO-, -COO-, -OCO-, -CONR-, -NRCO-, -OCOO-, -OCONR-, -NRCOO- or -NRCONR-; R = H or 1-4C alkyl; A , A = 1-30C spacer groups; M , M = mesogenic groups; n, n' = 0 or 1; m = 1, 2 or 3; Me = a transition metal of Period 4, 5 or 6 (other than technetium, silver, cadmium, gold, mercury or lanthanides) or a Main Group 14 element (other than carbon or lead); L = a tridentate ligand of formula (II); U, V, W = nitrogen-, phosphorus- or sulfur-containing groups with N, O, P or S atoms with free electron pair(s) for coordination with the central metal atom (Me); b1, b2 = 2-3C alkylene bridges attached to U and V or V and W, optionally substituted with up to two 1-12C organic residues in the case of 2C bridges and up to 4 such residues in other cases, and in which 2 adjacent carbon atoms may form part of an optionally substituted, optionally anellated benzene ring; L' = a 1-12C organic group. The groups L'(Y -M -Y -A -Y -P )n' in formula (Ib) may be different. Independent claims are also included for the following: (1) New compounds of formula (IIIa) and (IIIb). (2) LC materials containing compound(s) (Ia) and/or (Ib) or (IIIa) and/or (IIIb). ((P -Y -A -Y M -Y -)L)2Me (IIIa) ((P -Y -A -Y -M -Y -)L)Me(L'(-Y -M -Y -A -Y -P )n')m (IIIb) n' = 0 or 1.