二苯乙炔,tolane
1)tolane[英]['t?ulein][美]['tolen]二苯乙炔
1.Four series of three-ring mesogens with 3, 3, 4, 4, 5, 5, 6, 6-octofluorohexoxy or 6- chloro-3, 3, 4, 4, 5, 5, 6, 6-octofluorohexoxy terminal chains containing tolane or biphenyl were synthesized.设计并合成了4个系列含3,3,4,4,5,5,6,6-八氟己氧基或6-氯-3,3,4,4,5,5,6,6-八氟己氧基边链的联苯甲酸酯类或二苯乙炔类液晶,其相变性质通过偏光显微镜和DSC进行了测量和观察,讨论了桥键和末端原子对液晶性的影响。
2.A group of liquid crystal (LC) single compounds with low polar or fluorine substitutes,which employee tolane as their mesogenic core,were synthesized and mixed with commercial liquid crystal mixture (10% by weight).利用二苯乙炔为中心基团上的核心结构,合成了多种极性较低的液晶和几种含氟液晶单体化合物,并按10%的质量分数与商用液晶进行了混配,同时制成了平行排列的液晶盒。
英文短句/例句

1.Synthesis of Multifluorotolane Negative Dielectric Ansotropy Liquid Crystals多氟二苯乙炔类负性液晶化合物的合成
2.Preparation and Properties of Bismaleimide-modified Methyl-Di (phenylethynyl) silane Composites双马来酰亚胺改性甲基二苯乙炔基硅烷复合材料的制备及性能研究
3.desogestrel ethinylestradiol脱氧炔诺酮乙炔雌二醇
4.The Synthesis and Electro-Optical Properties of Dipropargylfluorene and Poly(4-ethynylaniline);二炔丙基芴和聚四乙炔苯胺发光材料的合成及光电特性
5.Synthesis and characterization of poly(2,5-dibutoxy-p-phenylene-vinylene)聚(2,5-二丁氧基)对苯乙炔的合成及性能研究
6.Synthesis and Optical Properties of Liquid Crystalline Polyacetylene Containing Bis(4-alkylphenyl)terephthalate as Pendant;含对苯二甲酸双烷基苯酯侧链液晶聚乙炔的合成及其光学性能
7.Synthesis 1,4-bis[β-(p-phthalic anhydride)ethynyl]benzene via C-C coupling reaction碳-碳偶合反应合成1,4-双[β-(p-邻苯二甲酸酐)乙炔基]苯
8.centalum (2-methyl-1-phenyl-3-butyne-1,2-diol)生塔伦(甲苯丁炔二醇)
9.The Stereocontrolled Synthesis of 1-Acetylen yl -3- tert -Butyldiphenylsilyloxy -exo -Bicyclo [3.1.0] Hexane立体控制合成外向-1-乙炔基-3-二苯叔丁硅氧基双环[3.1.0]已烷
10.Study on Solid Phase Addition Reaction and Photoreaction of Bis(Diphenylphosphinyl Oxide)Acetylene;双(二苯基膦酰基)乙炔的固相加成反应及光反应研究
11.Convenient Asymmetric Direct α-Phenylethynylation of β-Dicarbonyl Compounds简便的β-二羰基化合物直接不对称α-苯乙炔基化反应
12.In-situ polymerization and properties of poly(2,5-dibutyloxy-1,4-phenylene vinylene)/multi-walled carbon nanotube composites聚(2,5-二丁氧基)对苯乙炔/多壁碳纳米管复合材料的制备和性能研究
13.Fabrication and Gas Sensitivity Study of Poly {Ethynyl [-2,5-di(methoxy)] Benzene} Thin Films聚{乙炔[-2,5-二(甲氧基)]苯}薄膜的制备及气敏特性研究
14.dichloroethynylmethyl ester phosphoric acid二氯乙炔基甲基磷酸
15.Synthesis and characterization of benzoselenadiazole-containing poly(aryleneethynylene) derivatives含苯并硒二唑组分的聚对苯撑乙炔类共轭聚合物的合成及性能研究
16.Synthesis and spectral properties of poly(p phenyleneethynylene);间位苯环阻隔聚对苯撑乙炔的合成及光谱性能
17.Study on synthesis of novel silane coupling agent modified by phenylethynylphthalic anhydride苯乙炔苯酐改性硅烷偶联剂的合成研究
18.Designs and Syntheses of Novel Polyphenylvinylene(PPV) Derivatives and Their Applications in Light-emitting Diode and Solar Cells;新型聚对苯乙炔(PPV)衍生物的合成及其在发光二极管和太阳电池中的应用研究
相关短句/例句

tolan['t?ul?n]二苯乙炔
1.Synthesis and Property of Liquid Crystal Compounds:trans-Cyclohexyltolan-type with Lateral Fluorines;反式-环己基含氟二苯乙炔类液晶的合成与性能
2.Six lateral difluorine substituted tolan-type liquid crystals were synthesized via Sonogashira cross-coupling of 4-alkylphenylacetylene and 4-iodo-2,3-difluoro-1-alkoxybenzene under the protection of argon.用邻二氟苯为起始原料,在-78℃经过两次选择性"邻位金属化"反应、醚化反应、氧化反应制得2,3-二氟-4-碘-1-烷氧基苯,再与4-烷基苯乙炔在氩气保护下进行Sonogash ira偶联反应,制备出6种侧向二氟取代二苯乙炔类液晶。
3)Diphenylacetylene[dai'fenil?'setili:n]二苯乙炔
4)tolan-type二苯乙炔类
1.A series of tolan-type liquid crystals were synthesized using catalyst.以碘代烷氧基苯与烷基苯乙炔为中间体,采用为催化剂偶联的方法合成了二苯乙炔类液晶化合物。
2.Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.本论文成功的合成的两类可聚合液晶化合物,一种是二苯乙炔类液晶化合物,另一种是苯基环己基液晶化合物,同时对反应条件进行了讨论和优化,并采用红外光谱分析(IR)、氢核磁共振分析(~1H NMR)对部分中间体和目标产物的结构进行了表征,通过示差量热扫描(DSC)和偏光显微镜(POM)确定了相转变温度,向列型纹影织构表明它们都是向列型液晶。
5)p Diethynylbenzene对二乙炔苯
1.p Diethynylbenzene was polymerized in the presence of cobalt phosphine in diethylamine at room temperature with the yield of ca.对二乙炔苯的聚合研究已有报道[7,8],但得到的聚合物为不溶不熔物,这就阻碍了其作。
6)Diethynylbenzene二乙炔基苯
1.Diethynylbenzene was prepared by the reaction of bromination-dehydrobromination.用溴化—脱溴化氢一步法制备二乙炔基苯,研究碱、催化剂、反应温度及反应时间等因素对产率的影响。
2.A new process capable of producing m/p-diethynylbenzene in large scale was proposed.混合二乙炔基苯在药物合成,液晶材料,航天航空材料等方面具有十分重要的用途,因而较大规模地合成二乙炔基苯受到广泛的关注。
延伸阅读

二苯乙炔分子式:C14H10分子量:178.23CAS号:501-65-5性质:无色片状结晶。熔点62.5℃(60-61℃),沸点300℃,170℃(2.53kPa),90-97℃(40Pa),相对密度0.966(100/4℃)。溶于热乙醇及乙醚,不溶于水。制备方法:由二苯乙烯溴化后再与氢氧化钾反应而得。用途:用于有机合成。