JPH0499739A - Fluorinated cyclohexene compound - Google Patents
Fluorinated cyclohexene compoundInfo
- Publication number
- JPH0499739A JPH0499739A JP2217545A JP21754590A JPH0499739A JP H0499739 A JPH0499739 A JP H0499739A JP 2217545 A JP2217545 A JP 2217545A JP 21754590 A JP21754590 A JP 21754590A JP H0499739 A JPH0499739 A JP H0499739A
- Authority
- JP
- Japan
- Prior art keywords
- formula
- compound
- liquid crystal
- fluoro
- benzene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- -1 Fluorinated cyclohexene compound Chemical class 0.000 title abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 5
- YFYYVAFKAYIRHG-UHFFFAOYSA-N C1=CCCCC1.[F] Chemical compound C1=CCCCC1.[F] YFYYVAFKAYIRHG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 125000001153 fluoro group Chemical group F* 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 87
- 150000001875 compounds Chemical class 0.000 abstract description 22
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000007818 Grignard reagent Substances 0.000 abstract description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 3
- 150000004795 grignard reagents Chemical class 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000010409 thin film Substances 0.000 abstract description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 6
- AKCZQKBKWXBJOF-UHFFFAOYSA-N 4-(4-propylcyclohexyl)cyclohexan-1-one Chemical compound C1CC(CCC)CCC1C1CCC(=O)CC1 AKCZQKBKWXBJOF-UHFFFAOYSA-N 0.000 description 3
- AJLIJYGWAXPEOK-UHFFFAOYSA-N 4-bromo-1-fluoro-2-(trifluoromethyl)benzene Chemical compound FC1=CC=C(Br)C=C1C(F)(F)F AJLIJYGWAXPEOK-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- OEPBVXQEVBURGC-UHFFFAOYSA-N 4-bromo-2-fluoro-1-(trifluoromethyl)benzene Chemical compound FC1=CC(Br)=CC=C1C(F)(F)F OEPBVXQEVBURGC-UHFFFAOYSA-N 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000004093 cyano group Chemical group *C#N 0.000 description 2
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FURZYCFZFBYJBT-UHFFFAOYSA-N 4-(4-pentylcyclohexyl)benzonitrile Chemical compound C1CC(CCCCC)CCC1C1=CC=C(C#N)C=C1 FURZYCFZFBYJBT-UHFFFAOYSA-N 0.000 description 1
- XXUSEPRYHRDKFV-UHFFFAOYSA-N 4-(4-propylcyclohexyl)benzonitrile Chemical compound C1CC(CCC)CCC1C1=CC=C(C#N)C=C1 XXUSEPRYHRDKFV-UHFFFAOYSA-N 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- MEWXNELWCWDLMV-BDWYFLKXSA-N FC1=C(C=C(C=C1)C1=CCC(CC1)[C@@H]1CC[C@H](CC1)CCC)C(F)(F)F Chemical compound FC1=C(C=C(C=C1)C1=CCC(CC1)[C@@H]1CC[C@H](CC1)CCC)C(F)(F)F MEWXNELWCWDLMV-BDWYFLKXSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004990 Smectic liquid crystal Substances 0.000 description 1
- GXRMVZDASMXEMQ-UHFFFAOYSA-M [Br-].FC1=CC=C([Mg+])C=C1C(F)(F)F Chemical compound [Br-].FC1=CC=C([Mg+])C=C1C(F)(F)F GXRMVZDASMXEMQ-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N hydrochloric acid Substances Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- C09K19/0403—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit the structure containing one or more specific, optionally substituted ring or ring systems
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Liquid Crystal Substances (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、新規なシクロヘキセンフッ素化合物および該
化合物を有効成分として含有する液晶組成物に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a novel cyclohexene fluorine compound and a liquid crystal composition containing the compound as an active ingredient.
液晶を利用した表示素子は時計、電卓等に広く使用され
ているうこれらの液晶表示素子は液晶物質の光学異方性
および誘電異方性を利用したものであ石。液晶相にはネ
マチック液晶相、スメクチック液晶相、コレステリック
液晶相があり、そのうちネマチック液晶を利用したもの
が最も広く実用化されている。Display elements using liquid crystals are widely used in watches, calculators, etc.These liquid crystal display elements utilize the optical anisotropy and dielectric anisotropy of liquid crystal materials. Liquid crystal phases include a nematic liquid crystal phase, a smectic liquid crystal phase, and a cholesteric liquid crystal phase, among which those using nematic liquid crystal are most widely put into practical use.
それらには液晶表示に応用されている電気光学効果に対
応して、TN(ねじれネマチック)型、DS(動的散乱
)型、ゲスト・ホスト型、DAP型等の表示素子があり
、それぞれに使用される液晶物質の性質は異る。しかし
、いずれの液晶物質も水分、空気、熱、光等圧安定であ
ることが必要であることは共通しており、又、室温を中
心としてできるだけ広い温度範囲で液晶相を示し、更に
表示素子の種類によって異る最適な誘電異方性値(Δe
)を有するようにしなければならない。しかし、現在の
ところ単一の液晶物質でそのような条件をみたす物質は
なく、数値の液晶物質またはさらに非液晶物質を混合し
て実用に供している。There are display elements such as TN (twisted nematic) type, DS (dynamic scattering) type, guest-host type, and DAP type, which correspond to the electro-optic effect applied to liquid crystal displays, and each type is used. The properties of the liquid crystal materials used are different. However, all liquid crystal materials have in common that they must be stable to moisture, air, heat, and light isobarically, and they must exhibit a liquid crystal phase over as wide a temperature range as possible, centering on room temperature. The optimum dielectric anisotropy value (Δe
). However, at present, there is no single liquid crystal material that satisfies these conditions, and a mixture of numerical liquid crystal materials or non-liquid crystal materials has been put into practical use.
最近は特に液晶表示素子の表示品位の高いものが要求さ
れている。その要求に応えるためK TFT(薄膜トラ
ンジスタ)を応用した表示素子が開発されている。この
TFT型液晶表示素子に要求される液晶組成物は比抵抗
値の大きいものが要求されている。一般にΔeの正の値
を示す液晶化合物はシアン基をもつ化合物が多く使われ
ている。しかし、シアノ基は高電圧がかかるTFT型液
晶表示素子で使用すると分解が起ることが知られている
。Recently, there has been a particular demand for liquid crystal display elements with high display quality. In order to meet this demand, display elements using K TFTs (thin film transistors) have been developed. The liquid crystal composition required for this TFT type liquid crystal display element is required to have a large specific resistance value. In general, compounds having a cyan group are often used as liquid crystal compounds exhibiting a positive value of Δe. However, it is known that cyano groups decompose when used in TFT-type liquid crystal display devices that are subjected to high voltages.
本発明者らは先に特開昭57−67527号で次式を開
示した。しかしこの化合物のΔεは+2程度であシ、動
作電圧が高い。従って、更に動作電圧が低く、かつ電気
的に安定な化合物が要求されている。The present inventors previously disclosed the following formula in Japanese Patent Application Laid-Open No. 57-67527. However, the Δε of this compound is about +2, and the operating voltage is high. Therefore, there is a need for a compound that has an even lower operating voltage and is electrically stable.
本発明の目的は低粘性で、△εが+5程度以上と大きく
、又電気的に安定な液晶性化合物及び液晶組成物を提供
することにある。An object of the present invention is to provide a liquid crystal compound and a liquid crystal composition that have low viscosity, have a large Δε of about +5 or more, and are electrically stable.
本発明は一般式
(上式中、Rは炭素数1〜15の直鎖又は分岐アルキル
基を、X1Yはそのいずれか一方がF原子を、他方がC
Fx基を示す)
で表わされるフッ素液晶性化合物及び少なくともその一
種を有効成分として含有することを特徴とする液晶組成
物である。The present invention is based on the general formula (in the above formula, R is a straight chain or branched alkyl group having 1 to 15 carbon atoms, one of X1Y is an F atom, and the other is a C
This is a liquid crystal composition characterized by containing a fluorine liquid crystal compound represented by (representing an Fx group) and at least one thereof as an active ingredient.
本発明の化合物は大きい正の誘電異方性を示し、比較的
低粘性で電気的に安定な化合物であるのでTFT型液晶
表示素子に用いる液晶組成物を得るのに極めて有用な化
合物である。The compound of the present invention exhibits large positive dielectric anisotropy, has relatively low viscosity, and is electrically stable, so it is an extremely useful compound for obtaining a liquid crystal composition used in a TFT type liquid crystal display element.
つぎに本発明の化合物の製造法を示すと、2−フルオロ
−4−ブロモベンゾトリフロリド又は2−フルオロ−5
−ブロモベンゾトリフロリドをマグネシウム末とテトラ
ヒドロフラン溶媒(THFと略す)中で反応し、グリン
ヤール試薬を製造した。つぎにこのグリンヤール試薬と
トランス−4−(トランス−4−アルキルシクロへキシ
ル)シクロヘキサノンと反応し、アルコール体(II)
を製造した。この(n)をp−4ルエンスルホン[[媒
にして脱水反応をして目的の1.2−置換−4−〔トラ
ンス−4−(トランス−4−アルキルシクロヘキシル)
シクロヘキセン−1−イル〕ヘンゼン(I)を製造した
。Next, the method for producing the compound of the present invention is shown as 2-fluoro-4-bromobenzotrifluoride or 2-fluoro-5
- Bromobenzotrifluoride was reacted with magnesium powder in a tetrahydrofuran solvent (abbreviated as THF) to produce a Grignard reagent. Next, this Griyard reagent is reacted with trans-4-(trans-4-alkylcyclohexyl)cyclohexanone to form alcohol compound (II).
was manufactured. This (n) is dehydrated using p-4 luenesulfone [[ as a medium to form the desired 1,2-substituted-4-[trans-4-(trans-4-alkylcyclohexyl)].
Cyclohexen-1-yl]Hensen (I) was prepared.
(I)
(R%X、Yは前記に同じ)
〔発明の作用、効果〕
本発明の化合物は他の多くの液晶化合物、すなわちエス
テル系、シッフ塩基系、ビフェニル系、フェニルシクロ
ヘキサン系、複素環系等の液晶化合物との相溶性がよく
、本発明の化合物を液晶組成物の成分として加えること
により、粘度をそれ程上昇させずにΔeの太きい、電気
的に安定な液晶組成物を得ることができ、液晶表示素子
の動作電圧を下げることができる。従って、本発明の化
合物は特にTFT型液晶表示素子用の液晶組成物の成分
として好適な化合物であると云える。(I) (R% By adding the compound of the present invention as a component of a liquid crystal composition, it is possible to obtain an electrically stable liquid crystal composition with a large Δe without significantly increasing the viscosity. This makes it possible to lower the operating voltage of the liquid crystal display element. Therefore, it can be said that the compound of the present invention is particularly suitable as a component of a liquid crystal composition for a TFT type liquid crystal display element.
以下に述べる実施例により本発明の化合物につきさらに
詳細に説明する。The compounds of the present invention will be explained in more detail with reference to the following examples.
実施例1
1−フルオロ−2−トリフルオロメチル−4−(4−(
)ランス−4−プロピルシクロヘキシル)シクロヘキセ
ン−1−イル〕ベンゼン((I)式でRがC,H,、X
がF、 Y2ICFI(7)もノ)ノ製造フラスコにマ
クネシウム粉2.6 N (0,108モル)とテトラ
ヒドロフラン1011jを入れて、これに2−フルオロ
−5−ブロモベンゾトリフロリド25.0II(0,1
03モル)のテトラヒドロフラン溶液501を氷冷下3
0分間で滴下し、その後室温で反応した。このようにし
てできたものが3−トリフルオロメチル−4−フルオロ
フェニルマグネシウムプロミドである。このグリニヤー
ル試薬に4−(トランス−4−プロピルシクロヘキシル
)シクロヘキサノン24.0g(0,108モル)のテ
トラヒドロフラン溶液50m!7?を氷冷下5℃以下に
保ちながら40分間で滴下し、後に40℃にて1時間反
応した。反応終了後、氷冷した2N−塩酸5ooxtへ
そそぎ込んだ。析出した油状物をトルエン200−で抽
出し、トルエン層を中性になるまで水洗した。その後減
圧で溶媒を留去して、黄色液体を得た。これが1−(3
−トリフルオロメチル−4−フルオロフェニル)−4−
()ランス−4−7”ロピルシクロヘキシル)シクロヘ
キサン−1−オールである(収量36.0.9.収率9
2%)。Example 1 1-fluoro-2-trifluoromethyl-4-(4-(
) lance-4-propylcyclohexyl)cyclohexen-1-yl]benzene (in formula (I), R is C, H,,
is F, Y2ICFI (7) (7) Preparation Put 2.6 N (0,108 mol) of magnesium powder and 1011j of tetrahydrofuran into a flask, and add 25.0II of 2-fluoro-5-bromobenzotrifluoride ( 0,1
03 mol) in tetrahydrofuran solution 501 under ice-cooling.
The mixture was added dropwise for 0 minutes, and then reacted at room temperature. The product thus produced is 3-trifluoromethyl-4-fluorophenylmagnesium bromide. A solution of 24.0 g (0,108 mol) of 4-(trans-4-propylcyclohexyl)cyclohexanone in 50 ml of tetrahydrofuran was added to this Grignard reagent! 7? was added dropwise over 40 minutes while keeping the temperature below 5°C under ice cooling, and then reacted at 40°C for 1 hour. After the reaction was completed, the mixture was poured into ice-cooled 2N-hydrochloric acid (5 oz.). The precipitated oil was extracted with 200% of toluene, and the toluene layer was washed with water until it became neutral. Thereafter, the solvent was distilled off under reduced pressure to obtain a yellow liquid. This is 1-(3
-trifluoromethyl-4-fluorophenyl)-4-
() lance-4-7”ropylcyclohexyl)cyclohexan-1-ol (yield 36.0.9; yield 9
2%).
次に、この1−(3−トリフルオロメチル−4−フルオ
ロフェニル)−4−()ランス−4−プロピルシクロヘ
キシル)シクロヘキサン−1−オールを精製せずに、そ
の1まトルエン10011/に溶解し、p−)ルエンス
ルホン酸1.0#を加え、3時間加熱還流し、脱水反応
を行った。反応終了後、室温まで放冷し、反応液を2N
−水酸化ナトリウムで洗浄、続いて、中性になるまで水
で洗浄した。その後、減圧で溶媒を留去し、茶かつ色の
油状物を得た。この油状物をエタノールとノルマルヘプ
タン混合溶媒で再結晶して、無色結晶の1−フルオロ−
2−トリフルオロメチル−4−〔4−(トランス−4−
プロピルシクロヘキシル)シクロヘキセン−1−イル〕
ベンゼンを製造した(収量22.0J9、収率64%、
融点64.8〜65.8)。Next, this 1-(3-trifluoromethyl-4-fluorophenyl)-4-()lans-4-propylcyclohexyl)cyclohexan-1-ol was dissolved in toluene 10011/1 without purification. , p-) 1.0# of luenesulfonic acid was added, and the mixture was heated under reflux for 3 hours to perform a dehydration reaction. After the reaction is complete, let it cool to room temperature and dilute the reaction solution with 2N
- Washing with sodium hydroxide followed by water until neutral. Thereafter, the solvent was distilled off under reduced pressure to obtain a brown oily substance. This oil was recrystallized from a mixed solvent of ethanol and normal heptane to form colorless crystals of 1-fluoro-
2-trifluoromethyl-4-[4-(trans-4-
Propylcyclohexyl) cyclohexen-1-yl]
Benzene was produced (yield 22.0J9, yield 64%,
Melting point 64.8-65.8).
上記と全く同様の操作で4−(トランス−4−プロビル
シクロヘキシル)シクロヘキサノンの代りにアルキル基
の異なる4−(トランス−4−アルキルシクロヘキシル
)シクロヘキサノンを用いてつぎの化合物を製造できる
。The following compound can be produced in exactly the same manner as above, using 4-(trans-4-alkylcyclohexyl)cyclohexanone having a different alkyl group in place of 4-(trans-4-propylcyclohexyl)cyclohexanone.
1−フルオロ−2−トリフルオロメチル−4−(4−(
トランス−4−メチルシクロヘキシル)シクロヘキセン
−1−イル〕ベンゼン、1−フルオロ−2−トリフルオ
ロメチル−4−C4−()ランス−4−エチルシクロヘ
キシル)シクロヘキセン−1−イル〕ベンゼン、1−フ
ルオロ−2−トリフルオロメチル−4−[4−()ラン
ス−4−ブチルシクロヘキシル)シクロヘキセン−1−
イル〕ベンゼン、1−フルオロ−2−トリフルオロメチ
ル−4−[4−()ランス−4−ペンチルシクロヘキシ
ル)シクロヘキセン−1−イル〕ベンゼン、1−フルオ
ロ−2−) IJフルオロメチル−4−(4−()ラン
ス−4−ヘキシルシクロヘキシル)シクロヘキセン−1
−イル〕ベンゼン、1−フルオロ−2−トリフルオロメ
チル−4−[4−()ランス−4−へブチルシクロヘキ
シル)シクロヘキセン−1−イル〕ベンゼン、1−フル
オロ−2−トリフルオロメチル−4−[4−()ランス
−4−オクチルシクロヘキシル)シクロヘキセン−1−
イル〕ベンゼン、1−フルオロ−2−トリフルオロメチ
ル−4−[4−()ランス−4−ノニルシクロヘキシル
)シクロヘキセン−1−イル〕ベンゼン、1−フルオロ
−2−トリフルオロメチル−4−[4−()ランス−4
−デシルシクロヘキシル)シクロヘキセン−1−イル〕
ベンゼン、1−フルオロ−2−トリフルオロメチル−4
−(4−()ランス−4−ウンデシルシクロヘキシル)
シクロヘキセン−1−イル〕ベンゼン、1−フルオロ−
2−トリフルオロメチル−4−(4−()ランス−4−
ドデシルシクロヘキシル)シクロヘキセン−1−イル〕
ベンゼン、1−フルオロ−2−トリフルオロメチル−4
−[4−()ランス−4−トリデシルシクロヘキシル)
シクロヘキセン−1−イル〕ベンゼン、1−フルオロ−
2−トリフルオロメチル−4−(4−()ランス−4−
テトラデシルシクロヘキシル)シクロヘキセン−1−イ
ル〕ベンゼン、1−フルオロ−2−トリフルオロメチル
−4−(4−(トランス−4−ペンタデシルシク口ヘキ
シル)シクロヘキセン−1−イル〕ベンゼン。1-Fluoro-2-trifluoromethyl-4-(4-(
trans-4-methylcyclohexyl)cyclohexen-1-yl]benzene, 1-fluoro-2-trifluoromethyl-4-C4-()trans-4-ethylcyclohexyl)cyclohexen-1-yl]benzene, 1-fluoro- 2-Trifluoromethyl-4-[4-()lans-4-butylcyclohexyl)cyclohexene-1-
IJ fluoromethyl-4-( 4-() lance-4-hexylcyclohexyl)cyclohexene-1
-yl]benzene, 1-fluoro-2-trifluoromethyl-4-[4-()lans-4-hebutylcyclohexyl)cyclohexen-1-yl]benzene, 1-fluoro-2-trifluoromethyl-4- [4-() lance-4-octylcyclohexyl)cyclohexene-1-
yl]benzene, 1-fluoro-2-trifluoromethyl-4-[4-()lans-4-nonylcyclohexyl)cyclohexen-1-yl]benzene, 1-fluoro-2-trifluoromethyl-4-[4 -() Lance-4
-decylcyclohexyl)cyclohexen-1-yl]
Benzene, 1-fluoro-2-trifluoromethyl-4
-(4-() lance-4-undecylcyclohexyl)
cyclohexen-1-yl]benzene, 1-fluoro-
2-trifluoromethyl-4-(4-()lans-4-
dodecylcyclohexyl)cyclohexen-1-yl]
Benzene, 1-fluoro-2-trifluoromethyl-4
-[4-() lance-4-tridecylcyclohexyl)
cyclohexen-1-yl]benzene, 1-fluoro-
2-trifluoromethyl-4-(4-()lans-4-
Tetradecylcyclohexyl)cyclohexen-1-yl]benzene, 1-fluoro-2-trifluoromethyl-4-(4-(trans-4-pentadecylcyclohexyl)cyclohexen-1-yl)benzene.
実施例2
1−トリフルオロメチル−2−フルオロ−4−[4−(
)ランス−4−プロピルシクロヘキシル)シクロヘキセ
ン−1−イル〕ベンゼン((I)式でRがC,H,、X
がCF、、YがFのもの)の製造実施例1と全く同様の
操作により2−フルオロ−5−ブロモベンゾトリフロリ
ドの代すに、2−フルオロ−4−ブロモベンゾトリフロ
リドを用いて1−トリフルオロメチル−2−フルオロ−
4−C4−Cトランス−4−プロピルシクロヘキシル)
シクロヘキセン−1−イル〕ベンゼンを得た。Example 2 1-trifluoromethyl-2-fluoro-4-[4-(
) lance-4-propylcyclohexyl)cyclohexen-1-yl]benzene (in formula (I), R is C, H,,
is CF, Y is F) by the same procedure as in Example 1, using 2-fluoro-4-bromobenzotrifluoride instead of 2-fluoro-5-bromobenzotrifluoride. 1-trifluoromethyl-2-fluoro-
4-C4-Ctrans-4-propylcyclohexyl)
Cyclohexen-1-yl]benzene was obtained.
同様の操作で4−(トランス−4−プロピルシクロヘキ
シル)シクロヘキサノンの代りに、アルキル基の異なる
4−(1−ランス−4−アルキルシクロヘキシル)シク
ロヘキサノンを用いて、次の化合物を製造できる。In a similar manner, the following compound can be produced using 4-(1-trans-4-alkylcyclohexyl)cyclohexanone having a different alkyl group instead of 4-(trans-4-propylcyclohexyl)cyclohexanone.
1−トリフルオロメチル−2−フルオロ−4−C4−(
トランス−4−メチルシクロヘキシル)シクロヘキセン
−1−イル〕ベンゼン、1−トリフルオロメチル−2−
フルオロ−4−(:4−()ランス−4−エチルシクロ
ヘキシル)シクロヘキセン−1−イル〕ベンゼン、1−
トIJフルオロメチルー2−フルオロ−4−[4−(
)ランス−4−ブチルシクロヘキシル)シクロヘキセン
−1−イル〕ベンゼン、1−) IJフルオロメチル−
2−フルオロ−4−[4−()ランス−4−ペンチルシ
クロヘキシル)シクロヘキセン−1−イル〕ベンゼン、
1−トリフルオロメチル−2−フルオロ−4−C4−(
トランス−4−へキシルシクロヘキシル)シクロヘキセ
ン−1−イル〕ベンゼン、1−)!Jフルオロメチルー
2−フルオロ−4−[4−()ランス−4−ヘプチルシ
クロヘキシル)シクロヘキセン−1−イル〕ベンゼン、
1−トリフルオロメチル−2−フルオロ−4−[4−(
)ランス−4−オクチルシクロヘキシル)シクロヘキセ
ン−1−イル〕ベンゼン、1−トリフルオロメチル−2
−フルオロ−4[4−()ランス−4−ノニルシクロヘ
キシル)シクロヘキセン−1−イル〕ベンゼン、1−ト
リフルオロメチル−2−フルオロ−4−〔4−()ラン
ス−4−デシルシクロヘキシル)シクロヘキセン−1−
イル〕ベンゼン、1− トIJフルオロメチルー2−フ
ルオロ−4−C4−(1−ランス−4−ウンデシルシク
ロヘキシル)シクロヘキセン−1−イル〕ベンゼン、1
− トリフルオロメチル−2−フルオロ−4[4−()
ランス−4−ドデシルシクロヘキシル)シクロヘキセン
−1−イル〕ベンゼン、1− トIJフルオロメチルー
2−フルオロ−4−[4−(トランス−4−トリデシル
シクロヘキシル)シクロヘキセン−1−イル〕ベンゼン
、1− ) IJフルオロメチル−2−フルオロ−4−
(4−(トランス−4−テトラデシルシクロヘキシル)
シクロヘキセン−1−イル〕ベンゼン、1−トリフルオ
ロメチル−2−フルオロ−4−[4−()ランス−4−
ペンタデシルシクロヘキシル)シクロヘキセン−1−イ
ル〕ベンゼン。1-trifluoromethyl-2-fluoro-4-C4-(
trans-4-methylcyclohexyl)cyclohexen-1-yl]benzene, 1-trifluoromethyl-2-
Fluoro-4-(:4-()trans-4-ethylcyclohexyl)cyclohexen-1-yl]benzene, 1-
IJ fluoromethyl-2-fluoro-4-[4-(
) lance-4-butylcyclohexyl)cyclohexen-1-yl]benzene, 1-) IJ fluoromethyl-
2-fluoro-4-[4-()lans-4-pentylcyclohexyl)cyclohexen-1-yl]benzene,
1-trifluoromethyl-2-fluoro-4-C4-(
trans-4-hexylcyclohexyl)cyclohexen-1-yl]benzene, 1-)! J fluoromethyl-2-fluoro-4-[4-()lans-4-heptylcyclohexyl)cyclohexen-1-yl]benzene,
1-trifluoromethyl-2-fluoro-4-[4-(
) lance-4-octylcyclohexyl)cyclohexen-1-yl]benzene, 1-trifluoromethyl-2
-Fluoro-4[4-()lance-4-nonylcyclohexyl)cyclohexen-1-yl]benzene, 1-trifluoromethyl-2-fluoro-4-[4-()lance-4-decylcyclohexyl)cyclohexene- 1-
yl]benzene, 1-IJfluoromethyl-2-fluoro-4-C4-(1-lance-4-undecylcyclohexyl)cyclohexen-1-yl]benzene, 1
- trifluoromethyl-2-fluoro-4[4-()
trans-4-dodecylcyclohexyl)cyclohexen-1-yl]benzene, 1- fluoromethyl-2-fluoro-4-[4-(trans-4-tridecylcyclohexyl)cyclohexen-1-yl]benzene, 1- ) IJ fluoromethyl-2-fluoro-4-
(4-(trans-4-tetradecylcyclohexyl)
cyclohexen-1-yl]benzene, 1-trifluoromethyl-2-fluoro-4-[4-()lans-4-
pentadecylcyclohexyl)cyclohexen-1-yl]benzene.
実施例3(組成物)
トランス−4−プロピル−(4−シアノフェニル)シク
ロヘキサン 30重量係トランス
ー4−ペンチル−(4−シアノフェニル)シクロヘキサ
ン 40重社係トランスー4−へ
ブチル−(4−シアノフェニル)シクロヘキサン
30重i%なる組成の液晶混合物囚の
N−I点は52.3℃、Δεは+10.7.20℃にお
ける粘度は21.7、△nは0.119である。液晶セ
ルとして、酸化ケイ素をコーティングし、ラビング処理
した酸化スズ透明電極を有する基板を対向させて組立て
た、電極間距離が9μmのものを用意し、上記の液晶組
成物図を封入して20℃でその特性を測定したところ、
しきい電圧(以下、vthと略記する)は1.60Vで
あった。Example 3 (composition) trans-4-propyl-(4-cyanophenyl)cyclohexane 30 weight ratio trans-4-pentyl-(4-cyanophenyl)cyclohexane 40 weight ratio trans-4-hebutyl-(4-cyanophenyl) ) Cyclohexane
The N-I point of a liquid crystal mixture having a composition of 30% by weight is 52.3°C, Δε is +10.7, the viscosity at 20°C is 21.7, and Δn is 0.119. A liquid crystal cell was prepared by assembling substrates coated with silicon oxide and having rubbed tin oxide transparent electrodes with a distance between the electrodes of 9 μm, enclosing the above liquid crystal composition diagram, and heating at 20°C. When we measured its characteristics,
The threshold voltage (hereinafter abbreviated as vth) was 1.60V.
この液晶組成物(A)85重量係に本発明の化合物の1
つである実施例1で製造した1−フルオロ−2−トリフ
ルオロメチル−4−4:4−()ランス−4−プロピル
シクロヘキシル)シクロヘキセン−1−イル〕ベンゼン
15重量係を添加した液晶組成物(DN−1点は42.
8℃、Δmlは+9.9、Δnは0.107.20℃に
おける粘度は28.9cp。1% of the compound of the present invention per 85% by weight of this liquid crystal composition (A)
A liquid crystal composition to which 15 parts by weight of 1-fluoro-2-trifluoromethyl-4-4:4-()lance-4-propylcyclohexyl)cyclohexen-1-yl]benzene prepared in Example 1 was added. (DN-1 point is 42.
At 8°C, Δml is +9.9 and Δn is 0.107. The viscosity at 20°C is 28.9 cp.
vthは1.33Vでおった。vth was 1.33V.
このことより、この化合物のΔeは+5.4(外り大き
く、シアノ基を有する化合物の含有量を組成物から減ら
すことができる。From this, the Δe of this compound is +5.4 (extremely large), and the content of the compound having a cyano group can be reduced from the composition.
以 上Below Up
Claims (2)
基を、X、Yはそのいずれか一方がF原子を、他方がC
F_3基を示す) で表わされるシクロヘキセンフッ素化合物。(1) General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (I) (In the above formula, R is a straight chain or branched alkyl group having 1 to 15 carbon atoms, and either X or Y is an F atom. and the other is C
A cyclohexene fluorine compound represented by (representing F_3 group).
キセンフッ素化合物を有効成分として含有する液晶組成
物。(2) A liquid crystal composition containing a cyclohexene fluorine compound represented by formula (I) according to claim 1 as an active ingredient.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2217545A JP2829435B2 (en) | 1990-08-17 | 1990-08-17 | Cyclohexene fluorine compound |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2217545A JP2829435B2 (en) | 1990-08-17 | 1990-08-17 | Cyclohexene fluorine compound |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0499739A true JPH0499739A (en) | 1992-03-31 |
JP2829435B2 JP2829435B2 (en) | 1998-11-25 |
Family
ID=16705937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2217545A Expired - Lifetime JP2829435B2 (en) | 1990-08-17 | 1990-08-17 | Cyclohexene fluorine compound |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2829435B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009138204A (en) * | 1993-04-09 | 2009-06-25 | Merck Patent Gmbh | Liquid crystal medium |
CN113004905A (en) * | 2019-12-20 | 2021-06-22 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing cyclohexene structure and preparation method thereof |
CN113004904A (en) * | 2019-12-20 | 2021-06-22 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing cyclohexene structure and preparation method thereof |
CN113265260A (en) * | 2020-02-14 | 2021-08-17 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing cyclohexene structure and preparation method and application thereof |
-
1990
- 1990-08-17 JP JP2217545A patent/JP2829435B2/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009138204A (en) * | 1993-04-09 | 2009-06-25 | Merck Patent Gmbh | Liquid crystal medium |
DE4411806B4 (en) * | 1993-04-09 | 2013-11-28 | Merck Patent Gmbh | Liquid crystalline medium |
CN113004905A (en) * | 2019-12-20 | 2021-06-22 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing cyclohexene structure and preparation method thereof |
CN113004904A (en) * | 2019-12-20 | 2021-06-22 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing cyclohexene structure and preparation method thereof |
CN113004904B (en) * | 2019-12-20 | 2023-04-28 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing cyclohexene structure and preparation method thereof |
CN113265260A (en) * | 2020-02-14 | 2021-08-17 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing cyclohexene structure and preparation method and application thereof |
CN113265260B (en) * | 2020-02-14 | 2022-07-26 | 北京八亿时空液晶科技股份有限公司 | Liquid crystal compound containing cyclohexene structure and preparation method and application thereof |
Also Published As
Publication number | Publication date |
---|---|
JP2829435B2 (en) | 1998-11-25 |
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