KR830007784A - 불소-함유 시클로헥실비페닐 유도체의 제조방법 - Google Patents

불소-함유 시클로헥실비페닐 유도체의 제조방법 Download PDF

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KR830007784A
KR830007784A KR1019810004303A KR810004303A KR830007784A KR 830007784 A KR830007784 A KR 830007784A KR 1019810004303 A KR1019810004303 A KR 1019810004303A KR 810004303 A KR810004303 A KR 810004303A KR 830007784 A KR830007784 A KR 830007784A
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trans
alkylcyclohexyl
mono
alkyl
formula
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KR1019810004303A
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아이덴슁크 루돌프
폴 루두위그
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감스, 브리기테 나우만
메르크 파텐트 게젤샤프트 미트 베쉬렝크터 하프퉁
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Publication of KR830007784A publication Critical patent/KR830007784A/ko

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C25/00—Compounds containing at least one halogen atom bound to a six-membered aromatic ring
    • C07C25/18—Polycyclic aromatic halogenated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3003—Compounds containing at least two rings in which the different rings are directly linked (covalent bond)

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

내용 없음

Description

불소-함유 시클로헥실비페닐 유도체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 2 또는 그 이상의 액정성분을 갖는 액정 유전체에 있어서, 적어도 하나의 액정성분이 하기구조식(Ⅰ)의 시클로헥실비페닐 유도체인 것을 특징으로하는 액정유전체 :
    상기식에서, R1은 탄소수 1-12인 알칼이며, R2-R5는 수소 또는 불소이고, R6는 탄소수 1-12인 알킬 또는 알콕시, CN 또는 불소이다 [단, 라디칼 R2, R3, R4, R5및 R6중 적어도 하나(그러나 그 이하)가 불소임]
  2. 액정 쎌을 기준으로 전자-광학적 프시소자에 있어서, 청구범위에 따른 액정 유전체를 갖는 것을 특징으로 하는 전자-광학적 표시소자.
  3. 하기구조식(Ⅰ)의시클로헥실비페닐 유도체의 제조방법에 있어서,
    (a) 4-(트랜스-4-알킬시클로헥실)-4'-니트로페닐을 생성하기 위해서 4-(트랜스-4-알킬시클로헥실)-비페닐을 니트로화한 후 4-(트랜스-4-알킬시클로헥실)-4'-아미노비페닐로 환원한 다음 쉬만-발즈 반응에 따라 4-(트랜스-4-알킬시클로헥실)-4'-플로오로비페닐로 전환시켜 하기 구조식(Ⅰa)화합물을 제조하거나,
    (b) 하기 구조식(Ⅰh)의 화합물을 모노-또는 디-니트로화하고, 분별 결정화 또는 크로마토그래피 방법에 의한 반응혼합물로 부터 바람직한 모노-또는 디-니트로-유도체를 분리한후 관련 모노-또는 디-아미노비페닐로 환원한다음 쉬만-발즈반응에 따라 모노-또는 디플루오로비페닐유도체로 전환시켜하기 구조식(g)를 제조하거나,
    (c) 4-(트랜스-4-알킬시클로헥실)-4'-아미노비페닐을 아씰화한 다음 니트로화하여 4-(트랜스-4-알킬시클로헥실)-3'-니트로-4'-아실아미도비페닐을 생성하고, 4-(트랜스-4-알킬시클로헥실)-3', 4'-디아미노비페분로환원 및 가수분해한다음 쉬만-발즈 반응에 의해 4-(트랜스-4-알킬시클로헥실)-3', 4'-디플루오로 버페닐로 전환시켜 하기 구조식(Ⅰc)의 화합물을 제조하거나, 또는
    (d) 4-(트랜스-4-알킬시클로헥실)-4'-아실아미도비페닐을 모노-또는 디니트로화하고, 분별 결정화 또는 크로마토그라피방법에 의해 반응 혼합물로부터 바람직한 모노-또는 디니트로 유도체를 분리한후 관련 모노-또는 디아미노-4(트랜스-4-알킬시클로 헥실)-4'-아실아미노비페닐로 환원한 다음 쉬만-발즈 반응에 따라관련 모노-또는 디플루오로-4-(트랜스-4-알킬시클로헥실)-4'-아실아미노비페닐로 전환시키고, 모노-또는 디플루오로-4-(트렌스-4-알킬시클로헥실)-4'-아미노비페닐로 가수분해한 다음 샌드메이어(Sandmeyer) 반응에 의해 4'-시아노비페닐 유도체로 전환시켜 하기 구조식(Ⅰi)의 화합물을 제조하는 것을 특징으로하는 하기 구조식(Ⅰ)의 시클로헥실비페닐 유도체를 제조하는 방법 :
    상기식에서,
    R1은 탄소수 1-12인 알킬이며,
    R2-R5는 수소 또는 불소이고,
    R6는 탄소수 1-12인 알킬 또는 알콕시, CN 또는 불소이다.
    [단, 라디칼 R2, R3, R4, R5및 R6중 적어도 하나(그러나 2 이하)가 불소임].
    상기(Ⅰg)식에서,
    R6는 탄소수 1-12인 알킬 또는 알콕시이다.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019810004303A 1980-11-10 1981-11-10 불소-함유 시클로헥실비페닐 유도체의 제조방법 KR830007784A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3042391.7 1980-11-10
DE19803042391 DE3042391A1 (de) 1980-11-10 1980-11-10 Fluorhaltige cyclohexylbiphenylderivate, diese enthaltende dielektrika und elektrooptisches anzeigeelement

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KR1019880011009A Division KR900001331B1 (ko) 1980-11-10 1988-08-29 시클로헥실비페닐 유도체를 함유하는 액정 조성물 및 상기 액정조성물을 함유하는 전자-광학적 표시소자

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US (2) US4415470A (ko)
EP (1) EP0051738B1 (ko)
JP (1) JPS57114532A (ko)
KR (1) KR830007784A (ko)
AT (1) ATE8657T1 (ko)
CA (1) CA1171099A (ko)
DE (2) DE3042391A1 (ko)
HK (1) HK15485A (ko)
SG (1) SG81984G (ko)

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DE3042391A1 (de) 1982-06-16
SG81984G (en) 1985-04-26
JPH0446934B2 (ko) 1992-07-31
DE3165092D1 (en) 1984-08-30
EP0051738B1 (de) 1984-07-25
JPS57114532A (en) 1982-07-16
ATE8657T1 (de) 1984-08-15
US4415470A (en) 1983-11-15
CA1171099A (en) 1984-07-17
EP0051738A1 (de) 1982-05-19
US4545922A (en) 1985-10-08
HK15485A (en) 1985-03-15

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