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    • 41. 发明专利
    • DE10214938A1
    • 2003-10-16
    • DE10214938
    • 2002-04-04
    • MERCK PATENT GMBH
    • BREMER MATTHIASKLASEN-MEMMER MELANIELIETZAU LARS
    • G02F1/13C07C17/093C07C17/25C07C17/26C07C25/22C07C25/24C07C33/40C07C43/225C07C45/51C09K19/32C07C49/697C09K19/34G09F9/35G02F1/137C07C43/00C07C69/00C07C13/28
    • Indenes and 1,7-dihydroindacenes have negative dielectric anisotropy (DELTAepsilon). Indenes and 1,7-dihydroindacenes with negative dielectric anisotropy (DELTAepsilon) are of formulae (I) and (II) respectively. T = CF2, CHF, CH2 or CO; A = 1,4-phenylene (optionally with CH replaced once or twice with N and optionally with 1-4 CH substituted by halogen, CN, CH3, CH2F, CF3, OCH3, OCH2F, OCHF2, or OCF3), 1,4-cyclohexylene, 1,4-cyclohexenylene or 1,4-cyclohexadienylene (optionally with CH2 replaced once or twice by O or S and once or more optionally substituted by halogen); R = H, 1-15C alkyl, alkoxy, alkenyl or alkynyl (each optionally substituted once by CF3 or halogen and/or with one or more CH2 replaced by O, S, CO, COO, OCO, or OCO-O with heteroatoms non-adjacent), CN, SCN, NCS, SF5, CF3, OCF3, OCHF2, or OCH2F; L = H or halogen; X = H, 1-15C alkyl, alkoxy, alkenyl or alkynyl (each optionally substituted once by CF3 or halogen and/or with one or more CH2 replaced by O, S, CO, COO, OCO, or OCO-O with heteroatoms non-adjacent), halogen, CN, SCN, or NCS; U, W, Y = H, 1-15C alkyl, alkoxy, alkenyl or alkynyl (each optionally substituted once by CF3 or halogen and/or with one or more CH2 replaced by O, S, CO, COO, OCO, or OCO-O with heteroatoms non-adjacent); Z = a bond, CF2O, OCF2, CH2CH2, CF2CF2, C(O)O, OC(O), CH2O, OCH2, CF=CH, CH=CF, CF=CF, CH=CH or Ctriple bondC; and m,n,p,q = 0, 1, 2, or 3. In (I), L = F when T = CH2 and p,q = 0.
    • 49. 发明专利
    • Dioxane derivative useful as an liquid crystalline component in liquid crystalline media, which is useful in a reflective or transflective liquid crystal display element and an electrophoretic display element is new
    • DE102006047129A1
    • 2007-04-26
    • DE102006047129
    • 2006-10-05
    • MERCK PATENT GMBH
    • LIETZAU LARSBINDER WERNERKLASEN-MEMMER MELANIEPOETSCH EIKECZANTA MARKUS
    • C07D319/06C07C31/20C09K19/34G02F1/137
    • Dioxane derivative (I) is new. Dioxane derivative (I) of formula (R 1>-(A 1>-Z 1>) m-G-(Z 2>-A 2>) n-R 2>) is new. G : 2-methyl-5-(6-methyl-spiro[3.3]hept-2-yl)-[1,3]dioxane of formula (1) or 5-methyl-2-(6-methyl-spiro[3.3]hept-2-yl)-[1,3]dioxane of formula (2); R 1>, R 2>H, halo (F, Cl, Br, I) or optionally chiral alkyl or alkoxy with 1-15C (optionally substituted by halo, where one or more CH 2groups are substituted by -O-, -S-, -CO-, -CO-O-, -O-CO-, -O-CO-O-, -CH=CH-, -CH=CF-, -CF=CF-, -Ctriple boundC- or cyclobutane compound (3) of formula, where the heteroatoms are not directly connected together), -CN, -SCN, -NCS, -SF5, -SCF 3, -CF 3, -CF=CF 2, -CF 2CF 2CF 3, -OCF 3, -OCHF 2, -CF 2CH 2CF 3or -OCH 2CF 2CHFCF; A 1>, A 2>trans-1,4-cyclohexylene (where one or more non-adjacent CH 2groups are replaced by -O and/or -S- and one or more H atoms are replaced by F), 1,4-phenylene (where one or two CH groups are replaced by N and one or more H atoms are replaced by halo (F, Cl, Br, I), -CN, -CH 3, -CHF 2, -CH 2F, CF 3, -OCH 3, -OCHF 2or -OCF 3), bicyclo[1.1.1]pentan-1,3-diyl, bicyclo[2.2.2]-octan-1,4-diyl, spiro[3.3]heptan 2,6-diyl, naphthalin-2,6-diyl, naphthalin-2,7-diyl, decahydronaphthalin-2,6-diyl, 1,2,3,4-tetrahydronaphthalin 2,6-diyl, piperidin-1,4-diyl, phenanthren-2,7-diyl, fluoren-2,7-diyl, anthracen-2,6-diyl, anthracen-2,7-diyl, indan-2,5-diyl (where one or more H atoms are replaced by halo, preferably F), 1,4-cyclohexenylene or 1,3-cyclobutan-1,3-diyl; Z 1>, Z 2>-O-, -CH 2O-, -OCH 2-, -CO-O-, -O-CO-, -CF 2O-, -OCF 2-, -CF 2CF 2-, -CH 2CF 2-, -CF 2CH 2-, -CH 2CH 2-, -CH = CH-, -CH = CF-, -CF = CH-, -CF = CF-, -CF=CF-COO-, -O-CO-CF=CF-, -Ctriple boundC-, -CH 2CH 2CF 2O- or a single bond; and m, n : 0-3. Independent claims are also included for: (1) a liquid crystalline medium with at least two liquid crystalline component comprising (I); (2) a liquid crystal display element comprising liquid crystalline media; (3) a reflective or transflective liquid crystal display element comprising liquid crystalline media; (4) an electrophoretic display element comprising liquid crystalline media; (5) a spiro-diol compound of formula (II); and (6) the preparation of (I). [Image] [Image].