JP2007297308A - シクロヘキシルメタノール誘導体及びその製造方法 - Google Patents
シクロヘキシルメタノール誘導体及びその製造方法 Download PDFInfo
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- JP2007297308A JP2007297308A JP2006125365A JP2006125365A JP2007297308A JP 2007297308 A JP2007297308 A JP 2007297308A JP 2006125365 A JP2006125365 A JP 2006125365A JP 2006125365 A JP2006125365 A JP 2006125365A JP 2007297308 A JP2007297308 A JP 2007297308A
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- general formula
- cyclohexylmethanol
- carbon atoms
- alkyl group
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- VSSAZBXXNIABDN-UHFFFAOYSA-N cyclohexylmethanol Chemical class OCC1CCCCC1 VSSAZBXXNIABDN-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 23
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 14
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- -1 cyclohexanecarboxylic acid ester Chemical class 0.000 claims description 8
- NZNMSOFKMUBTKW-UHFFFAOYSA-N Cyclohexanecarboxylic acid Natural products OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 claims description 3
- VZFUCHSFHOYXIS-UHFFFAOYSA-N cycloheptane carboxylic acid Natural products OC(=O)C1CCCCCC1 VZFUCHSFHOYXIS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052987 metal hydride Inorganic materials 0.000 claims description 3
- 150000004681 metal hydrides Chemical class 0.000 claims description 3
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- QLKWZXXUWUOXCH-UHFFFAOYSA-N 2,3-difluorobenzene-1,4-diol Chemical group OC1=CC=C(O)C(F)=C1F QLKWZXXUWUOXCH-UHFFFAOYSA-N 0.000 abstract description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 239000000243 solution Substances 0.000 description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000012044 organic layer Substances 0.000 description 11
- 239000004973 liquid crystal related substance Substances 0.000 description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 4
- 0 *C(*)C1CCC(CO)CC1 Chemical compound *C(*)C1CCC(CO)CC1 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 238000004440 column chromatography Methods 0.000 description 4
- 239000012043 crude product Substances 0.000 description 4
- 238000001819 mass spectrum Methods 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- RPEPGIOVXBBUMJ-UHFFFAOYSA-N 2,3-difluorophenol Chemical compound OC1=CC=CC(F)=C1F RPEPGIOVXBBUMJ-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- GADYOHIIGSIHBE-KYZUINATSA-N OC[C@H]1CC[C@@H](CC1)C1OCCO1 Chemical compound OC[C@H]1CC[C@@H](CC1)C1OCCO1 GADYOHIIGSIHBE-KYZUINATSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- LSEFCHWGJNHZNT-UHFFFAOYSA-M methyl(triphenyl)phosphanium;bromide Chemical compound [Br-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(C)C1=CC=CC=C1 LSEFCHWGJNHZNT-UHFFFAOYSA-M 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- BPKQPNCOAXSJAE-UHFFFAOYSA-N 1-[(4-ethenylcyclohexyl)methoxy]-4-[(4-ethylcyclohexyl)methoxy]-2,3-difluorobenzene Chemical compound C1CC(CC)CCC1COC(C(=C1F)F)=CC=C1OCC1CCC(C=C)CC1 BPKQPNCOAXSJAE-UHFFFAOYSA-N 0.000 description 2
- JDEJZRGHDOHIAY-ZSZHSVSSSA-N FC1(C(C(=CC=C1)OC[C@@H]1CC[C@H](CC1)C1OCCO1)F)O Chemical compound FC1(C(C(=CC=C1)OC[C@@H]1CC[C@H](CC1)C1OCCO1)F)O JDEJZRGHDOHIAY-ZSZHSVSSSA-N 0.000 description 2
- ITJVIBKRPHSMIU-UBBSCCEASA-N FC1=C(C=CC(=C1F)OC[C@@H]1CC[C@H](CC1)CC)OC[C@@H]1CC[C@H](CC1)C1OCCO1 Chemical compound FC1=C(C=CC(=C1F)OC[C@@H]1CC[C@H](CC1)CC)OC[C@@H]1CC[C@H](CC1)C1OCCO1 ITJVIBKRPHSMIU-UBBSCCEASA-N 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- JEDZLBFUGJTJGQ-UHFFFAOYSA-N [Na].COCCO[AlH]OCCOC Chemical compound [Na].COCCO[AlH]OCCOC JEDZLBFUGJTJGQ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000000062 cyclohexylmethoxy group Chemical group [H]C([H])(O*)C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 239000012419 sodium bis(2-methoxyethoxy)aluminum hydride Substances 0.000 description 2
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 2
- 235000019798 tripotassium phosphate Nutrition 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- IWYQXILOJXHWPY-ZKCHVHJHSA-N C(C)[C@@H]1CC[C@H](CC1)Br Chemical compound C(C)[C@@H]1CC[C@H](CC1)Br IWYQXILOJXHWPY-ZKCHVHJHSA-N 0.000 description 1
- CKKAZWYLHGNVDZ-UHFFFAOYSA-N COc(ccc(O)c1F)c1F Chemical compound COc(ccc(O)c1F)c1F CKKAZWYLHGNVDZ-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GPDVWUFHUWBSGD-HAQNSBGRSA-N FC1=C(C(=CC=C1)OC[C@@H]1CC[C@H](CC1)C1OCCO1)F Chemical compound FC1=C(C(=CC=C1)OC[C@@H]1CC[C@H](CC1)C1OCCO1)F GPDVWUFHUWBSGD-HAQNSBGRSA-N 0.000 description 1
- XQASEXMUYLXCRO-VVPTUSLJSA-N FC1=C(C=CC(=C1F)OC[C@@H]1CC[C@H](CC1)CC)OC[C@@H]1CC[C@H](CC1)C=O Chemical compound FC1=C(C=CC(=C1F)OC[C@@H]1CC[C@H](CC1)CC)OC[C@@H]1CC[C@H](CC1)C=O XQASEXMUYLXCRO-VVPTUSLJSA-N 0.000 description 1
- 239000012448 Lithium borohydride Substances 0.000 description 1
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 1
- MDJKHXDEVBLQJD-MGCOHNPYSA-N O1C(OCCC1)[C@@H]1CC[C@H](CC1)CO Chemical compound O1C(OCCC1)[C@@H]1CC[C@H](CC1)CO MDJKHXDEVBLQJD-MGCOHNPYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- UWNADWZGEHDQAB-UHFFFAOYSA-N i-Pr2C2H4i-Pr2 Natural products CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012280 lithium aluminium hydride Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N methanesulfonic acid Substances CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 1
- 125000005948 methanesulfonyloxy group Chemical group 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
本願は、一般式(2)
一般式(2)
で表されるシクロヘキシルメタノールを、一般式(7)
一般式(13)で表される化合物は、誘電率異方性は負の液晶組成物の構成部材として有用である。
(実施例1) トランス-4-(1,3-ジオキソラン-2-イル)シクロヘキシルメタノールの合成。
有機層を合わせ、水、飽和食塩水の順で洗浄し、無水硫酸ナトリウムで乾燥して溶媒を減圧留去し、トランス-4-(1,3-ジオキソラン-2-イル)シクロヘキシルメタノール(128g)を無色透明の液体として得た。
MS m/z : 186 (M+)
1H-NMR (400 MHz, CDCl3)
δ: 0.96 (dq, J = 3.8 Hz, 13.4 Hz, 2 H), 1.15 (dq, J = 3.8 Hz, 13.4 Hz, 2 H), 1.33 (bs, 1 H), 1.40 1.58 (m, 2 H), 1.80 1.91 (m, 4 H), 3.46 (t, J = 5.4 Hz, 2 H), 3.83 3.89 (m, 2 H), 3.90 3.96 (m, 2 H), 4.62 (d, J = 5.2 Hz, 1 H).
トランス-4-(1,3-ジオキソラン-2-イル)シクロヘキサンカルボン酸メチルに替えてトランス-4-(1,3-ジオキサン-2-イル)シクロヘキサンカルボン酸メチルを用いる以外は、実施例1と同様な方法によりトランス-4-(1,3-ジオキサン-2-イル)シクロヘキシルメタノールを得た。
1H-NMR (400 MHz, CDCl3)
δ: 0.89 (dq, J = 3.4 Hz, 13.2 Hz, 2 H), 1.09 (dq, J = 3.4 Hz, 13.2 Hz, 2 H), 1.30 1.36 (m, 1 H), 1.37 1.53 (m, 3 H), 1.80 1.90 (m, 4 H), 2.06 (tq, J = 5.0 Hz, 12.8 Hz, 1 H), 3.44 (bs, 2 H), 3.74 (dt, J = 2.4 Hz, 12.4 Hz, 2 H), 4.10 (dd, J = 5.2 Hz, 12.0 Hz, 2 H), 4.26 (d, J = 5.2 Hz, 1 H).
トランス-4-(1,3-ジオキソラン-2-イル)シクロヘキサンカルボン酸メチルに替えてトランス-4'-(1,3-ジオキサン-2-イル)ビシクロヘキシル-4-イルカルボン酸メチルを用いる以外は、実施例1と同様な方法によりトランス-4'-(1,3-ジオキサン-2-イル)シクロヘキシル-4-イルメタノールを得た。
(応用例)2,3-ジフルオロ-1-(トランス-4-エチルシクロヘキシル)メトキシ-4-(トランス-4-ビニルシクロヘキシル)メトキシベンゼンの合成。
メタンスルホン酸 トランス-4-(1,3-ジオキソラン-2-イル)シクロヘキシルメチル(84g)、2,3−ジフルオロフェノール(44g)およびリン酸三カリウム(85g)のジメチルホルムアミド(600mL)溶液を100℃で5時間攪拌した。室温に放冷後、水を加えた。水層をトジオキソラン-2-イル)シクロヘキシルメトキシ)ベンゼン(86 g)を無色結晶として得た。
カラムクロマトグラフィーおよび再結晶にて精製し、2,3-ジフルオロ-1-(トランス-4-(1,3-ジオキソラン-2-イル)シクロヘキシルメトキシ)-4-(トランス-4-エチルシクロヘキシルメトキシ)ベンゼン(86 g)を無色結晶として得た。
相転移温度 C 59.2 N 77.1 I
MS m/z : 392 (M+), 146 (100)
1H-NMR (400 MHz, CDCl3)
δ: 0.88 (t, J = 7.6 Hz, 3 H), 0.90 1.30 (m, 11 H), 1.65 2.00 (m, 11 H), 3.70 3.80 (m, 4 H), 4.85 5.05 (m, 2 H), 5.79 (ddd, J = 17.2 Hz, J = 10.4 Hz, J = 6.8 Hz, 1 H), 6.60 (d, J = 5.6 Hz, 2 H).
Claims (4)
- R1及びR2が環状構造を形成し-CH2CH2-又は-CH2CH2CH2-を表す請求項1記載の化合物。
- 還元剤として金属ヒドリドを用いる請求項3記載の製造方法。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010018540A (ja) * | 2008-07-10 | 2010-01-28 | Dic Corp | フルオロフェノール誘導体の製造方法 |
CN106318403A (zh) * | 2015-06-26 | 2017-01-11 | 江苏和成显示科技股份有限公司 | 具有负介电各向异性的液晶化合物及其合成方法与应用 |
CN106675576A (zh) * | 2015-11-06 | 2017-05-17 | 江苏和成显示科技股份有限公司 | 一种介电负性液晶化合物及其制备方法与应用 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5240494B2 (ja) * | 2006-09-29 | 2013-07-17 | Dic株式会社 | ジフルオロベンゼン誘導体及びその製造方法 |
CN101235026B (zh) * | 2007-01-31 | 2012-12-26 | 大日本油墨化学工业株式会社 | 4'-二烷氧基甲基双环己烷-4-基甲醇及其制造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH04226929A (ja) * | 1990-05-21 | 1992-08-17 | F Hoffmann La Roche Ag | ビシクロヘキシル誘導体、その製造方法及び使用 |
US5185098A (en) * | 1990-04-05 | 1993-02-09 | Hoffmann-La Roche Inc. | Liquid crystalline mixtures containing 3,4-difluorophenyl-substituted bicyclohexyls |
-
2006
- 2006-04-28 JP JP2006125365A patent/JP5051418B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US5185098A (en) * | 1990-04-05 | 1993-02-09 | Hoffmann-La Roche Inc. | Liquid crystalline mixtures containing 3,4-difluorophenyl-substituted bicyclohexyls |
JPH04226929A (ja) * | 1990-05-21 | 1992-08-17 | F Hoffmann La Roche Ag | ビシクロヘキシル誘導体、その製造方法及び使用 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010018540A (ja) * | 2008-07-10 | 2010-01-28 | Dic Corp | フルオロフェノール誘導体の製造方法 |
CN106318403A (zh) * | 2015-06-26 | 2017-01-11 | 江苏和成显示科技股份有限公司 | 具有负介电各向异性的液晶化合物及其合成方法与应用 |
CN106318403B (zh) * | 2015-06-26 | 2018-09-21 | 江苏和成显示科技有限公司 | 具有负介电各向异性的液晶化合物及其合成方法与应用 |
CN106675576A (zh) * | 2015-11-06 | 2017-05-17 | 江苏和成显示科技股份有限公司 | 一种介电负性液晶化合物及其制备方法与应用 |
CN106675576B (zh) * | 2015-11-06 | 2018-09-04 | 江苏和成显示科技有限公司 | 一种介电负性液晶化合物及其制备方法与应用 |
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