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    • 4. 发明授权
    • Liquid crystal macrocycles
    • 液晶大环
    • US6051639A
    • 2000-04-18
    • US125718
    • 1998-08-25
    • Georg H MehlJohn W GoodbyRachel P TuffinKenneth J Toyne
    • Georg H MehlJohn W GoodbyRachel P TuffinKenneth J Toyne
    • C08G77/38C09K19/40C08K5/16
    • C09K19/406C08G77/38C09K19/408
    • A material of general formula I: ##STR1## where E=0 indicates a non-cyclic system, and E=1 indicates a cyclic system;G is R.sub.3 SiR.sub.1 R.sub.2 (O).sub.kR.sub.1, R.sub.2, R.sub.3 are independently selected from C.sub.1-16 alkyl which may be partly or fully halogenated, H and formula IA: ##STR2## wherein Y is a propylene group which may be partially halogenated with fluorine or chlorine and Y.sub.1 is independently selected from COO, OCO, O, S, CHOH, CHF, CO or CH.sub.2 ;Q and Q.sub.1 are independently selected from (CH.sub.2).sub.n wherein one or more non-adjacent methylenes may be replaced by O andn=0-20;Z and Z.sub.1 are independently selected from O, S, single covalent bond, COO or OCO; ##STR3## represents a mesogenic group and is given by the general structure II ##STR4## A, B, D are selected from the following rings: ##STR5## the above rings may be substituted with one or more of the following substituents in at least one of the available substitution positions: F, Cl, Br, CH.sub.3, CN, OR, R or NCS where R is a C.sub.1-5 branched or straight chain alkyl provided that the total number of rings present is not greater than 4; and W.sub.1 and W.sub.2 are independently COO, OCO, single bond, CH.sub.2 CH.sub.2, CH.sub.2 O, OCH.sub.2, O, S, CH.dbd.CH, C.tbd.C, or N.dbd.N.
    • PCT No.PCT / GB97 / 00744 Sec。 371日期:1998年8月25日 102(e)日期1998年8月25日PCT 1997年3月19日PCT公布。 公开号WO97 / 36947 日期1997年10月9日通式I的材料:其中E = 0表示非循环体系,E = 1表示循环体系; G是R 3 SiR 1 R 2(O)k R 1,R 2,R 3独立地选自可以部分或完全卤化的C 1-6烷基,H和式IA:其中Y是可以被氟或氯部分卤化的亚丙基,Y 1 独立地选自COO,OCO,O,S,CHOH,CHF,CO或CH 2; Q和Q 1独立地选自(CH 2)n,其中一个或多个不相邻的亚甲基可被O代替,n = 0-20; Z和Z1独立地选自O,S,单共价键,COO或OCO; 表示介晶基团,并且由通式结构IIA,B,D选自下列环:上述环可以在至少一个可用取代位置中的一个或多个以下取代基取代:F, Cl,Br,CH3,CN,OR,R或NCS,其中R是C1-5支链或直链烷基,条件是存在的环的总数不大于4; 并且W 1和W 2分别独立地为COO,OCO,单键,CH 2 CH 2,CH 2 O,OCH 2,O,S,CH = CH,C 3 D C或N = N。
    • 5. 发明授权
    • Liquid crystal polymers
    • 液晶聚合物
    • US06180024B2
    • 2001-01-30
    • US09254073
    • 1999-02-26
    • Keith M BlackwoodMichelle JonesDavid LaceyAlan W HallKenneth J ToyneSteven Pringle
    • Keith M BlackwoodMichelle JonesDavid LaceyAlan W HallKenneth J ToyneSteven Pringle
    • C09K1952
    • C09K19/3895C08F246/00C09K19/3842C09K19/3852Y10T428/10
    • Methods, based on the Wittig-Horner reaction, are provided for the synthesis of compounds of formula (I) where m is from 5-150, X and Y are independently selected from: CN, H, OH, COCH3, CO2H, CO2H, CO2R1, where R1 is C1-12 alkyl, NCS, SCN, CF3, CH2X where X is F, Cl, Br, OH, CHF2 and formula (IB), where J for each X and Y group is independently selected from: CH2, single covalent bond, OOC, CO2, O, CH2O, OCH2, CH2CO2, CH2OOC; p=1-20; L for each X and Y group is independently selected from: O, CH2OCO, CO2, S, NH; (a) is defined by formula (IC), where rings A, B and C are independently selected from phenyl, cyclohexyl, pyridine and pyrimidine and may be independently of each other substituted with at least one of Cl or F; linking groups A and B may be selected from single bond, CO2, OOC, CH2O, OCH2, CH2CH2, C≡C; Z is selected from CN, F, Cl, NO2, R, OR, CO2R, CF3, OOCR, NCS, SCN, where R=straight chain or branched chain alkyl and may include from 1-16 carbon atoms and including where one or more non-adjacent CH2 groups may be substituted by CH(CN), CH(CF3), CH(Cl), CH(CH3) in chiral or non-chiral form; provided that at least one of X and Y is selected from (IB); the method polymerizing a compound of general formula (II), where X and Y are defined as formula (I).
    • 提供了基于Wittig-Horner反应的合成式(I)化合物,其中m为5-150,X和Y独立地选自:CN,H,OH,COCH 3,CO 2 H,CO 2 H, CO 2 R 1,其中R 1是C 1-12烷基,NCS,SCN,CF 3,CH 2 X,其中X是F,Cl,Br,OH,CHF 2和式(IB),其中每个X和Y基团的J独立地选自:CH 2, 单共价键,OOC,CO 2,O,CH 2 O,OCH 2,CH 2 CO 2,CH 2 OOC; p = 1-20; 每个X和Y基团的L独立地选自:O,CH 2 OCO,CO 2,S,NH; (a)由式(IC)定义,其中环A,B和C独立地选自苯基,环己基,吡啶和嘧啶,并且可以彼此独立地被Cl或F中的至少一个取代; 连接基团A和B可以选自单键,CO 2,OOC,CH 2 O,OCH 2,CH 2 CH 2,C = C; Z选自CN,F,Cl,NO 2,R,OR,CO 2 R,CF 3,OOCR,NCS,SCN,其中R =直链或支链烷基,并且可以包括1-16个碳原子,并且包括其中一个或多个 不相邻的CH2基可以被手性或非手性形式的CH(CN),CH(CF 3),CH(Cl),CH(CH 3)取代; 条件是X和Y中的至少一个选自(IB); 聚合通式(II)的化合物的方法,其中X和Y定义为式(I)。