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    2.
    发明专利
    未知

    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.

    4.
    发明专利
    未知

    公开(公告)号：DE59905819D1

    公开(公告)日：2003-07-10

    申请号：DE59905819

    申请日：1999-11-18

    Applicant: BASF AG

    Inventor： HABECK DR ,  PRECHTL DR ,  WUENSCH DR ,  WESTENFELDER HORST

    IPC: A61K8/00 ,  A61K8/30 ,  A61K8/40 ,  A61K8/49 ,  A61K31/275 ,  A61K31/277 ,  A61Q1/00 ,  A61Q1/04 ,  A61Q17/04 ,  A61Q19/00 ,  C07C255/37 ,  A61K7/42

    Abstract: alpha -Alkyl-styryl derivatives (I) are used as photostable UV-filter in cosmetic or pharmaceutical compositions for protecting the human skin or hair against the sun light, optionally combined with other components absorbing in the UV range. alpha -Alkyl-styryl derivatives of formula (I) are used as photostable UV-filter in cosmetic or pharmaceutical compositions for protecting the human skin or hair against the sun light, optionally combined with other components absorbing in the UV range. R , R = H, OH, NH2, 1-12C alkyl, 1-12C alkoxy, 1-12C alkylamino, 1-12C dialkylamino, water soluble substituents such as carboxylate, sulfonate or ammonium residues; R , R = COOR , COR , CONR R or CN; R = 1-12C alkyl; R , R = H, 1-12C alkyl, 2-10C alkenyl, 3-10C cycloalkyl, 3-10C cycloalkenyl, aryl or heteroaryl (all optionally substituted); A = O, S or NR B' = 1-12C alkylene, 4-12C cycloalkylene, 8-22C aralkylene, 9-21C monooxoaralkylene or -(X)n-Y'-; R = H or 1-12C alkyl; X = -(CH2)2-Z-, -(CH2)3-Z-, -CH(CH3)2-CH2-Z-, -(CH2)4-Z- or -CH2-CH(CH2-CH3)-Z-; Y' = -(CH2)2-, -(CH2)3-, -CH(CH3)-CH2-, -(CH2)4- or -CH2-CH(CH2-CH3)-; Z = O or S; n = 1-150; two of R , R and R = form 5- to 6-membered ring fused to the benzene ring. An Independent claim is also included for a sunscreen comprising the cosmetic and pharmaceutical composition for protecting the human epidermis and hair against UV light (280-400 nm) containing (I).

    5.
    发明专利
    未知

    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.

    8.
    发明专利
    未知

    公开(公告)号：DE50002234D1

    公开(公告)日：2003-06-26

    申请号：DE50002234

    申请日：2000-02-23

    Applicant: BASF AG

    Inventor： MEYER DR ,  SCHUHMACHER DR ,  PRECHTL DR

    IPC: C07D493/04 ,  A61K8/00 ,  A61K8/02 ,  A61K8/37 ,  A61K8/49 ,  A61Q5/00 ,  A61Q17/04 ,  C09K3/00 ,  C09K19/00 ,  C09K19/04 ,  C09K19/20 ,  C09K19/58 ,  A61K7/00 ,  A61K7/42

    Abstract: New chiral doping agents (I) comprise dianhydrohexitol derivatives containing at least one polymerizable group. Chiral doping agents of formula (I) are new. Z1-Y1-(A1)m-Y2-M-Y3-X-Y4-(A2)n-Y5-Z 2 (I) A1, A2 = spacers having a chain length of 1-30C; Y1-Y5 = direct bond, O, S, C(O), C(O)O, OC(O), CH=CHC(O)O, OC(O)O, C(O)N(R), N(R)C(O), CH2O, CH=N, N=CH or N=N; M = mesogenic group; R = H or 1-4C alkyl; Z1, Z2 = H, 1-4C alkyl, polymerizable group (PG) or residue carrying a PG, provided that at least one is a PG or residue carrying a PG; X = dianhydrosorbitol, dianhydromannitol or dianhydroiditol residue; m, n = 0 or 1. An Independent claim is included for cholesteric liquid crystal compositions (A) (which preferably reflect left-circular polarized light in the UV region), comprising at least one chiral liquid crystalline monomer (I) which provides a cholesteric liquid crystalline phase having a pitch of less than 450 nm, optionally mixed with at least one achiral liquid crystalline monomer of formula (II). Z1-Y1-(A1)m-Y2-M-Y4-(A2)n-Y5-Z2 (II)

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