1)  tetrafluorotolane
					 
	
					
				
				 
	
					
				四氟二苯乙炔
				1.
					Synthesis and mesomorphic properties of tetrafluorotolane-based liquid crystals with fluorinated polar end-groups;
						
						含氟极性端基取代的四氟二苯乙炔类液晶的合成与相变性质
					
					2)  Difluoroethyne
					 
	
					
				
				 
	
					
				二氟乙炔
			
					3)  tolan
					['təulæn]
					 
	
					
				
				 
	
					
				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。
					
					4)  tolane
					[英]['təulein]  [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。
					
					6)  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。
					补充资料:3,4,5,6-四氟邻苯二甲酸二甲酯
		分子式:暂无
分子量:暂无
CAS号:暂无
性质:暂无
制备方法:暂无
用途:暂无
		
		分子量:暂无
CAS号:暂无
性质:暂无
制备方法:暂无
用途:暂无
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
	参考词条