CAS: 85312-59-0; 3,4-Difluoro-4'-(Trans-4-Propylcyclohexyl)-1,1'-Biphenyl

该化合物是一种含氟的双苯衍生物,具有跨-4丙环己基替代物,其结构僵硬性和热稳定性是显著的.3,4个位置的二氟替代加强了其电子特性,使之适合液体晶体材料和先进的有机合成的应用.丙环己基组的转配置有助于改善中位行为,而双苯核心则确保高化学抗药性.这种化合物因其表面特征低,广度时相相相以及与其他色素成分的兼容性,在开发高性液晶显示器时特别受到重视.其定义明确的分子结构也有助于精确地调整物质特性.

结构式图片

欧盟法规

ECHA物质C&L通报REACH预注册

上下游产品

CAS号348-61-8 3,4-二氟溴苯 | CAS号86579-53-5 1-溴-4-(反式-4-n-丙... | CAS号168267-41-2 3,4-二氟苯硼酸 | CAS号696-02-6 4-氯-1,2-二氟苯

合成工艺路线路线简述

  • 168267-41-2 + 167858-55-1 = 85312-59-0
    反应条件:1.1 Reagents: Potassium Fluoride Catalysts: Palladium(2+),Bis[2-(Diphenylphosphino-Kp)Ethanamine-Kn]-,Chloride (1:2),(Sp-... Solvents: Tetrahydrofuran,Water; 5 H,25 - 27 °C
    标题:The Air-Stable And Highly Efficient P,N-Chelated Palladium(Ii) Complexes As Catalysts For The Suzuki Cross-Coupling Reaction At Room Temperature
    作者:Guo,Mengping; Et Al
    参考文献:Tetrahedron Letters 日期:2006 卷标:47(12) 页码:2033-2036]

    348-61-8 = 85312-59-0
    反应条件:1.1 Reagents: Sodium Hydroxide Catalysts: Triphenylphosphine,Palladium Diacetate Solvents: Benzene
    标题:Naoh-Promoted Cross-Coupling Reactions Of Organosilicon Compounds With Organic Halides: Practical Routes To Biaryls,Alkenylarenes And Conjugated Dienes
    作者:Hagiwara,Emiko; Et Al
    参考文献:Tetrahedron Letters 日期:1997 卷标:38(3) 页码:439-442]

    348-61-8 = 85312-59-0
    反应条件:1.1 Reagents: Sodium Hydroxide Catalysts: Triphenylphosphine,Palladium Diacetate Solvents: Benzene
    标题:Process For Producing Unsaturated Organic Compounds Such As Biaryls Or Arylpyridine Derivatives By Coupling Of Organohalosilane With Halobenzenes Or Halopyridines
    参考文献:World Intellectual Property Organization]

    86579-53-5 = 85312-59-0
    反应条件:1.1 Reagents: Magnesium Solvents: Tetrahydrofuran; Heated; 12 H,70 °C2.1 Reagents: Potassium Fluoride Catalysts: (Sp-4-2)-Chloro[2-(9-Phenyl-1,10-Phenanthrolin-2-Yl-Kn1,Kn10)Phenyl-Kc]Palladium Solvents: (+/-)-Propylene Glycol,Dichloromethane; 12 H,100 °C
    标题:The Hiyama Cross-Coupling Reaction At Parts Per Million Levels Of Pd: In Situ Formation Of Highly Active Spirosilicates In Glycol Solvents
    作者:Ichii,Shun; Et Al
    参考文献:Chemistry - An Asian Journal 日期:2019 卷标:14(21) 页码:3850-3854]

    168267-41-2 + 167858-55-1 = 85312-59-0
    反应条件:1.1 Reagents: Tripotassium Phosphate Catalysts: (Sp-4-2)-Bis[1-(Diphenylphosphino-Kp)-2-Propanolato-Ko]Palladium Solvents: Tetrahydrofuran,Water; Rt; 5 H,Rt1.2 Reagents: Water
    标题:Cross-Coupling Reactions Catalyzed By P,O Chelate Palladium Complexes At Room Temperature
    作者:Guo,Mengping; Et Al
    参考文献:Tetrahedron Letters 日期:2005 卷标:46(52) 页码:9017-9020]

    168267-41-2 + 86579-53-5 = 85312-59-0
    反应条件:1.1 Reagents: Potassium Carbonate,Oxygen Catalysts: Palladium (Carbon-Supported) Solvents: Ethanol,Water; 30 Min,80 °C
    标题:An Aerobic And Very Fast Pd/c-Catalyzed Ligand-Free And Aqueous Suzuki Reaction Under Mild Conditions
    作者:Liu,Chun; Et Al
    参考文献:European Journal Of Organic Chemistry 日期:2013 卷标:2013(20) 页码:4345-4350]

    348-61-8 + 2369676-78-6 = 85312-59-0
    反应条件:1.1 Reagents: Potassium Fluoride Catalysts: (Sp-4-2)-Chloro[2-(9-Phenyl-1,10-Phenanthrolin-2-Yl-Kn1,Kn10)Phenyl-Kc]Palladium Solvents: (+/-)-Propylene Glycol,Dichloromethane; 12 H,100 °C
    标题:The Hiyama Cross-Coupling Reaction At Parts Per Million Levels Of Pd: In Situ Formation Of Highly Active Spirosilicates In Glycol Solvents
    作者:Ichii,Shun; Et Al
    参考文献:Chemistry - An Asian Journal 日期:2019 卷标:14(21) 页码:3850-3854]

    696-02-6 = 85312-59-0
    反应条件:1.1 Reagents: Potassium Fluoride Solvents: Dimethylformamide1.2 Catalysts: Dichlorobis[tris(1-Methylethyl)Phosphine]Palladium Solvents: Dimethylformamide
    标题:Cross-Coupling Reactions Of Aryl Chlorides With Organochlorosilanes: Highly Effective Methods For Arylation Or Alkenylation Of Aryl Chlorides
    作者:Gouda,Ken-Ichi; Et Al
    参考文献:Journal Of Organic Chemistry 日期:1996 卷标:61(21) 页码:7232-7233
1-Bromo-4-(4-Propylcyclohexyl)Benzene,3,4-二氟苯硼酸置于[ph2P(Ch2)2Nh2]2Pdcl2 Potassium Fluoride体系中,用 四氢呋喃,水 作为反应溶剂,化学反应 5.0H,以96%的收率获得产物4'-(反式-4-丙基环己基)-3,4-二氟联苯
参考文献:空气稳定且高效的p,N螯合钯(II)配合物在室温下作为suzuki交叉偶联反应的催化剂
标题:空气稳定且高效的p,N螯合钯(II)配合物在室温下作为suzuki交叉偶联反应的催化剂
摘要:两种空气稳定的p,N螯合钯(II)配合物已被评估为芳基溴化物和芳基硼酸之间suzuki交叉偶联反应的高效简单催化剂.它们在室温下表现出高活性和选择性.
DOI:10.1016/j.Tetlet.2006.01.029

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主要参考文献

参考标题:Efficient Synthesis Of Fluorinated Biphenyl Derivatives Via Pd-Catalyzed Suzuki Coupling Reactions In Aqueous Solvents At Room Temperature
作者:Mengping Guo,Fangfang Jian,Ren He |发布日期:2006.2
摘要:A Variety Of Fluorinated Biphenyl Derivatives Were Obtained In Good Yields In Aqueous Solvents At Room Temperature By Suzuki Coupling Reaction Of Aryl Bromides And Aryl Boronic Acid In The Presence Of High Activity Catalyst-Some Air-Stable Hemilabile Po Coordinated Cyclopalladated Complexes. The Structures Of Above Catalysts Were Characterized By Element Analyses, Ir, 1H Nmr, 13C Nmr And 31P Nmr.

合成参考文献


摘要:S128 | FLUOROLCM | Fluorinated Liquid Crystal Monomers (LCM) | DOI:10.5281/zenodo.15645013.
摘要:S127 | LCM | 1173 Liquid Crystal Monomers (LCM) | DOI:10.5281/zenodo.15644969.
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