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    • 4. 发明授权
    • Naphthalene derivatives
    • 萘衍生物
    • US5942648A
    • 1999-08-24
    • US811179
    • 1997-03-04
    • David CoatesMark GouldingSimon GreenfieldVolker ReiffenrathReinhard HittichHerbert Plach
    • David CoatesMark GouldingSimon GreenfieldVolker ReiffenrathReinhard HittichHerbert Plach
    • C07C17/26C07C25/22C07C43/225C07C43/23C07C255/50C07C255/54C09K19/32C07C15/24
    • C07C17/263C07C25/22C07C255/50C07C255/54C07C43/225C07C43/23C09K19/322
    • Naphthalene derivatives of the fomula I ##STR1## in which: R.sup.1 is an alkyl or alkenyl radical which is unsubstituted, monosubstituted by CH or CF.sub.3 or monosubstituted by halogen and has 1 to 15 carbon atoms, it also being possible for one or more CH.sub.2 groups in these radicals to be replaced, in each case independently of one another, by --O--, --S--, ##STR2## --CO--, --CO--O--, --O--CO-- or --O--CO--O-- in such a manner that oxygen atoms are not linked directly to one another, ##STR3## m is 0, 1 or 2, n is 0 or 1, wherem+n is 1 or 2,Z.sup.1 and Z.sup.2 are each, independently of one another, --CH.sub.2 CH.sub.2 --, --C.tbd.C-- or a single bond,L.sup.1 and L.sup.2 independently of one another, are H or F,x is an alkyl or alkoxy radical which is unsubstituted, monosubstituted by CN or CF.sub.3 or substituted bi halogen and has 1 to 15 carbon atoms, or is OH, CN, SCN, OCN, NCS or Q--Y,whereQ is a single bond, (CF.sub.2).sub.r or O(CF.sub.2).sub.rr is 1 or 2, andY is H, F, Cl or Br, with the provisos thata) in the case wherem=0, Z.sup.2 =a single bond, n=1 and x=CH CF.sub.3 or SCN, L.sup.1 is F,b) in the case wherem=0, Z.sup.2 =a single bond, n=1 and X=alkyl, alkoxy or F a L.sup.1 and L.sup.2 are identical and are F.
    • 式I的萘衍生物,其中:R 1是未被取代的,被CH或CF 3单取代或被卤素单取代且具有1至15个碳原子的烷基或烯基,它们也可以在这些基团中一个或多个CH 2基团 在各种情况下彼此独立地被-O-,-S-,-CO-,-CO-O-,-O-CO-或-O-CO-O-取代,使得氧 原子不直接相互连接,m为0,1或2,n为0或1,其中m + n为1或2,Z 1和Z 2各自独立地为-CH 2 CH 2 - , - CO 3 C或单键,L 1和L 2彼此独立地是H或F,x是未被取代的,被CN或CF 3或被取代的双卤素单取代且具有1至15个碳原子的烷基或烷氧基,或者是 OH,CN,SCN,OCN,NCS或QY,其中Q为单键,(CF2)r或O(CF2)rr为1或2,Y为H,F,Cl或Br,条件是 )在m = 0的情况下,Z2 =单键,n = 1,x = CH CF 3或SCN,L1为F,b) 在m = 0的情况下,Z 2 =单键,n = 1,X =烷基,烷氧基或F a,L1和L2相同,为F.
    • 6. 发明授权
    • 2,3-difluorohydroquinone derivatives
    • 2,3-二氟氢醌衍生物
    • US5248447A
    • 1993-09-28
    • US871620
    • 1992-04-21
    • Volker ReiffenrathJoachim KrauseAndreas WachtlerGeorg WeberThomas GeelhaarDavid CoatesIan C. SageSimon Greenfield
    • Volker ReiffenrathJoachim KrauseAndreas WachtlerGeorg WeberThomas GeelhaarDavid CoatesIan C. SageSimon Greenfield
    • C07C43/225C07D239/26C09K19/20C09K19/30C09K19/34
    • C07D239/26C07C43/225C09K19/2007C09K19/2021C09K19/3066C09K19/3068C09K19/3441C09K19/3458C07C2101/14C09K2019/0407
    • 2,3-difluorohydroquinone compounds of the formula I ##STR1## in which R.sup.1 and R.sup.2, in each case independently of one another, are alkyl having 1 to 15 C atoms or alkenyl having 3 to 15 C atoms which are unsubstituted, monosubstituted by cyano or at least monosubstituted by fluorine or chlorine, it also being possible for one CH.sub.2 group in these radicals to be replaced by --O--, --CO--, --CO--O--, --O--CO-- or --O--CO--O--,A.sup.1, A.sup.2 and A.sup.3, in each case independently of one another, are(a) trans-1,4-cyclohexylene, in which, in addition, one or two non-adjacent CH.sub.2 groups may be replaced by --O-- and/or --S--,(b) 1,4-phenylene, in which, in addition, one or two CH groups may be replaced by N, or(c) a radical from the group comprising piperidine-1,4-diyl, 1,4-bicylo (2,2,2)-octylene (sic), 1,3,4-thiadiazole-2,5-diyl, napththalene-2,6-diyl, decahydronaphthalene-2,6-diyl and 1,2,3,4-tetrahydronaphthalene-2,6-diyl, it being possible for the radicals (a) and (b) to be monosubstituted or polysubstituted by F, Cl, CH.sub.3 or CN,Z.sup.1 is --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O--, --C.tbd.C-- or a single bond,Q.sup.1 and Q.sup.2, in each case independently of one another, are --CO-- or --CH.sub.2 --,m and n are each 0, 1 or 2, and(m+n) is 0, 1 or 2,are suitable as components of liquid-crystalline phases.
    • PCT No.PCT / EP89 / 00179 371日期:1989年5月15日 102(e)日期1989年5月15日PCT提交1989年2月27日PCT公布。 出版物WO89 / 08637 日本1989年9月21日。式I的1,3-二氟氢醌化合物其中R 1和R 2各自独立地为具有1至15个碳原子的烷基或具有3至15个C原子的烯基, 是未取代的,被氰基单取代或至少被氟或氯单取代,这些基团中的一个CH 2基团也可被-O - , - CO - , - CO-O-,-O-CO-或 -O-CO-O-,A1,A2和A3各自独立地是(a)反式-1,4-亚环己基,此外,一个或两个不相邻的CH 2基可以是 被-O-和/或-S-取代,(b)1,4-亚苯基,其中另外一个或两个CH基团可被N取代,或(c)包含哌啶 - 1,4-二酰基,1,4-双酰(2,2,2) - 辛烯(sic),1,3,4-噻二唑-2,5-二基,萘-2,2二基,十氢萘-2, 6-二基和1,2,3,4-四氢化萘-2,6-二基,基团(a)和(b)可以是单取代的或聚合的 被F,Cl,CH 3或CN取代,Z 1是-CO-O - , - O - CO - , - CH 2 CH 2 - , - OCH 2 - , - CH 2 O-,-C 在每种情况下彼此独立地是-CO-或-CH2-,m和n各自为0,1或2,并且(m + n)为0,1或2,适合作为液晶相的组分 。