公开(公告)号：JPS6391387A

公开(公告)日：1988-04-22

申请号：JP25005087

申请日：1987-10-05

Applicant: HOECHST AG

Inventor： HEMMERLING WOLFGANG ,  DUEBAL HANS-ROLF ,  MUELLER INGRID ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: C07D405/12 ,  C07D409/12 ,  C09K19/34 ,  C09K19/58 ,  G02F1/13

公开(公告)号：NO172985C

公开(公告)日：1993-10-06

申请号：NO892983

申请日：1989-07-20

Applicant: HOECHST AG

Inventor： SCHEROWSKY GUENTER ,  GAY JUERGEN ,  WINGEN RAINER ,  DUEBAL HANS ROLF ,  ESCHER CLAUS ,  HEMMERLING WOLFGANG ,  INOGUSCHI YOSHIO ,  MUELLER INGRID ,  OHLENDORF DIETER

IPC: G02F1/13 ,  C07D317/22 ,  C07D317/24 ,  C07D317/36 ,  C07D317/72 ,  C07D405/12 ,  C07D405/14 ,  C07D407/12 ,  C07D409/12 ,  C07D409/14 ,  C07D417/12 ,  C07D417/14 ,  C09K19/34 ,  C09K19/54 ,  C09K19/58 ,  G02F1/137 ,  G02F1/33 ,  C07D317/34

Abstract: Optically active 1,3-dioxolane derivates of the general formula which carry a mesogenic radical in the 4-position are suitable as dopes in - in particular ferroelectric - liquid-crystal mixtures. The symbols in the general formula have the following meanings: R has a structure analogous to the moiety of the general formula on the right of X or is an alkyl or alkylene radical, which may be substituted, R , R and R are H or alkyl (R is alternatively alkenyl), which may also be substituted [R and R , together with the C(2) of the dioxolane ring, may alternatively be cycloaliphatic or keto groups], j, l and n are zero, 1 or 2, and k and m are zero or 1, with the proviso that n is zero if k is zero, m is zero if n is zero, and 1 , -A and -A are an aromatic, heterocyclic or aliphatic ring system, -M and -M are -CO-O, -O-CO, -CH2CH2, -CH=CH, -CH2O, -OCH2 or -C IDENTICAL C and X is O, S or O-CO-O. The particular advantage of the compounds of the general formula (I) is that they are able to induce a high twisting power in the cholesteric phase, but without significantly affecting the magnitude of the spontaneous polarisation already present in the mixture in the smectic C phase. They are therefore suitable for pitch compensation, in particular for ferroelectric liquid-crystal mixtures.

公开(公告)号：NO170416C

公开(公告)日：1992-10-14

申请号：NO874177

申请日：1987-10-05

Applicant: HOECHST AG

Inventor： HEMMERLING WOLFGANG ,  DUEBAL HANS-ROLF ,  MUELLER INGRID ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: C07D405/12 ,  C07D409/12 ,  C09K19/34 ,  C09K19/58 ,  G02F1/13

Abstract: The novel compounds are aryl-2,3-epoxyalkyl ethers or thioethers or the corresponding thiirane compounds having a mesogenic aromatic component and a chiral component having a three-membered heterocyclic ring, wherein, in the general formula (1), (I) the symbols have the following meaning: R1=straight-chain or branched (C1-C12) alkyl, where one or two non-neighboring CH2 groups may be replaced by O or S atoms. A=diazine-2,5-diyl or diazine-3,6-diyl, X and Y=O and/or S, and R2, R3 and R4, independently of one another=H, straight-chain (C1-C10) alkyl or branched (C3-C10) alkyl, where R2, R3 and R4 are not simultaneously H. The compounds are preferably employed in tilted smectic liquid-crystal phases which they convert into ferroelectric liquid-crystal phases; they have high values for spontaneous polarization or they induce high values for spontaneous polarization.

公开(公告)号：DE3775934D1

公开(公告)日：1992-02-20

申请号：DE3775934

申请日：1987-11-02

Applicant: HOECHST AG

Inventor： WINGEN RAINER ,  DUEBAL HANS-ROLF ,  HEMMERLING WOLFGANG ,  MUELLER INGRID ,  OHLENDORF DIETER

IPC: C04B35/64 ,  B22F3/14 ,  B22F3/15 ,  B23B27/14 ,  C04B35/10 ,  C04B35/56 ,  C04B35/58 ,  C04B35/645 ,  C04B35/80 ,  C04B35/81 ,  C04B41/50 ,  C04B41/52 ,  C04B41/87 ,  C04B41/89 ,  C07C20060101 ,  C07C69/712 ,  C07C69/773 ,  C07C69/92 ,  C07D239/26 ,  C07D239/34 ,  C07D405/12 ,  C09K19/20 ,  C09K19/54 ,  C09K19/58 ,  G02F1/13

Abstract: New chiral aryloxypropionate esters are of formula (I), where R1 = linear 1-16C alkyl or alkoxy or branched 4-16C alkyl or alkoxy, in which one or 2 non-adjacent CH2 gps. can be replaced by S and/or O; A = 1, 2 or 3 (hetero)aromatic rings, joined directly or through one or 2 COO gps.; B = a chemical bond or 1 or 2 (hetero)aromatic rings, joined directly; (a) if B = a chemical bond, R2 = linear 1-15C alkyl, in which one or 2 non-adjacent CH2 gps. can be replaced by O and/or S, or 2-10C alkyl contg. an asymmetrical C atom, which, is substd. with CH3, halogen or -COOC2H5, or 3-10C alkyl contg. 2 adjacent asymmetrical C atoms, one of which is substd. with halogen and the other with CH3, or which together with an O atom form an oxirane ring; or (b) if B = (hetero)aromatic ring(s), R2 = alkyl or alkoxy as in (a).

公开(公告)号：NO913696A

公开(公告)日：1991-09-19

申请号：NO913696

申请日：1991-09-19

Applicant: HOECHST AG

Inventor： ESCHER CLAUS ,  DUEBAL HANS-ROLF ,  HARADA TAKAMASA ,  HEMMERLING WOLFGANG ,  ILLIAN GERHARD ,  MUELLER INGRID ,  MURAKAMI MIKIO ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: C09K19/34 ,  G02F20060101 ,  G02F1/137

公开(公告)号：NO913463L

公开(公告)日：1991-09-03

申请号：NO913463

申请日：1991-09-03

Applicant: HOECHST AG

Inventor： MUELLER INGRID ,  DUEBAL HANS-ROLF ,  ESCHER KLAUS ,  HEMMERLING WOLFGANG ,  ILLIAN GERHARD ,  MURAKAMI MIKIO ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: C07D317/72 ,  C07D405/00 ,  C07D405/12 ,  C09K19/34 ,  G02F1/13

公开(公告)号：ES2019425B3

公开(公告)日：1991-06-16

申请号：ES88105777

申请日：1988-04-12

Applicant: HOECHST AG

Inventor： WINGEN RAINER ,  DUBAL HANS-ROLF ,  ESCHER CLAUS ,  HEMMERLING WOLFGANG ,  MULLER INGRID ,  OHLENDORF DIETER

IPC: C07D317/24 ,  C07D317/32 ,  C07D317/72 ,  C07D405/12 ,  C07D407/12 ,  C07D409/12 ,  C09K19/02 ,  C09K19/34 ,  C09K19/54 ,  C09K19/58 ,  G02F1/133 ,  G02F1/137 ,  G02F1/141

公开(公告)号：NO902111L

公开(公告)日：1990-11-14

申请号：NO902111

申请日：1990-05-11

Applicant: HOECHST AG

Inventor： MEIJERE ARMIN DE ,  DUEBAL HANS-ROLF ,  ESCHER CLAUS ,  HARADA TAKAMASA ,  HEMMERLING WOLFGANG ,  ILLIAN GERHARD ,  MUELLER INGRID ,  MURAKAMI MIKIO ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: G02F1/13 ,  C07C13/04 ,  C07C13/28 ,  C07C22/00 ,  C07C25/00 ,  C07C43/184 ,  C07C43/205 ,  C07C43/21 ,  C07C69/92 ,  C07C255/45 ,  C07D213/30 ,  C07D237/08 ,  C07D237/14 ,  C07D237/16 ,  C07D237/18 ,  C07D239/26 ,  C07D239/34 ,  C07D239/38 ,  C07D241/12 ,  C07D241/18 ,  C07D285/12 ,  C07D285/125 ,  C07D285/13 ,  C07D405/12 ,  C09K19/20 ,  C09K19/30 ,  C09K19/34

Abstract: The novel cyclopropylalkyl or -alkenyl compounds have the general formula In this formula, the symbols A , A , A denote unsubstituted and in particular substituted (by halogen or CN) aromatic or heteroaromatic molecular building blocks, such as 1,4-phenylene or pyrimidine-2,5- diyl, which are linked via a single bond or via functional groups M , M , such as CO-O or CH2-O; H and m are zero or 1; j, l, n are zero, 1 or 2. The radicals are R , R , R are H or alkyl/alkenyl, R is alkyl/alkenyl or a substituent known from LC chemistry, such as an alpha - haloalkanoic acid radical. G denotes alkylene or alkenylene.

公开(公告)号：CA2049314A1

公开(公告)日：1990-09-23

申请号：CA2049314

申请日：1990-03-21

Applicant: HOECHST AG

Inventor： DUBAL HANS-ROLF ,  ESCHER CLAUS ,  HARADA TAKAMASA ,  HEMMERLING WOLFGANG ,  ILLIAN GERHARD ,  MULLER INGRID ,  MURAKAMI MIKIO ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: G02F1/13 ,  C09K19/34 ,  C09K19/42 ,  C09K19/46 ,  C09K19/58

Abstract: - 45 - HOE 89/F 095 Liquid-crystalline mixtures in particular ferroelectric liquid-crystalline mixtures The novel liquid-crystalline mixtures (in the case of ferroelectric behavior they additionally contain an optically active compound as dope) are based on at least two mixture components of the general formula (I) and at least one carboxylate of the general formulae ¢sic! (II), (III) or (IV). (I) (II) X = O or a single bond (III) (IV) The mixtures have favorable properties for use in electrooptical display elements, such as high contrast, low melting point and short switching times.

公开(公告)号：CA2049008A1

公开(公告)日：1990-09-10

申请号：CA2049008

申请日：1990-03-07

Applicant: HOECHST AG

Inventor： MULLER INGRID ,  DUBAL HANS-ROLF ,  ESCHER KLAUS ,  HEMMERLING WOLFGANG ,  ILLIAN GERHARD ,  MURAKAMI MIKIO ,  OHLENDORF DIETER ,  WINGEN RAINER

IPC: G02F1/13 ,  C07D317/30 ,  C07D317/72 ,  C07D405/12 ,  C07D409/12 ,  C09K19/06 ,  C09K19/34 ,  C09K19/58 ,  C07F7/10 ,  C07D417/12 ,  C07D405/14

Abstract: HOE 89/F 080 of the disclosure Optically active dioxolanylacrylates and dioxolanylpropionates carrying a mesogenic radical, a process for their preparation, and their use as dopes in liquidcrystal mixtures. Optically active 1,3-dioxolane derivatives, carrying a mesogenic radical, of the general formula (I) (I) are suitable as dopes in - in particular ferroelectric liquid-crystal mixtures. The symbols in the general formula have the following meaning here: R1 is constructed analogously to the moiety of the general formula on the right of X or is an alkyl or alkylene ¢sic! radical which may be substituted, R2, R3 and R4 are H or alkyl (R4 is alternatively alkenyl), which may also be substituted ¢R2 and R3, together with the C(2) of the dioxolane ring, are a cycloaliphatic radical or a keto group!, j, l and n are zero, 1 or 2, and k and m are zero or 1, with the proviso that n = zero if k = zero, m = zero if n = zero, and 1 ? j + 1 + n ? 3, -A1, -A2 and -A3 are an aromatic, heterocyclic or aliphatic ring system, -M1 and -M2 are -CO-O, -O-CO, -CH2CH2, -CH=CH, -CH2O, -OCH2 or -C=C, and X is CH=CH or CH2-CH2. The particular advantage of the compounds of the general formula (I) is that they are able to induce a high twisting power in a cholesteric phase, but without significantly affecting, in the smectic C* phase, the magnitude of the spontaneous polarization already present in a mixture. They are therefore suitable for pitch compensation, in particular for ferroelectric liquidcrystal mixtures.