CAS: 112279-60-4; 4-Bromo-2,5-Difluoroaniline

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167415-27-2 1269232-99-6 112279-72-8

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2,5-difluoroaniline N-Bromosuccinimide dichloromethane water 1-bromo-2,5-difluoro-4-iodo-benzene ethyl 3-(4-bromo-2,5-difluoro-phenylamino)-furo[3,2-c]pyridine-2-carboxylate 1-Bromo-2,5-difluoro-4-pent-1-ynylbenzene 1-bromo-2,5-difluoro-4-pentyl-benzene

2,5-二氟苯胺置于n-溴代丁二酰亚胺(Nbs)体系中,用 二氯甲烷 用作溶剂,以95%的收率获得4-溴-2,5-二氟苯胺
参考文献:Synthesis,Mesomorphic Behaviour And Optical Anisotropy Of Some Novel Materials For Nematic Mixtures Of High Birefringenceelectronic Supplementary Information (Esi) Available: Experimental Procedures For All Compounds Not Already Given In This Paper. See Http://www.Rsc.Orgpdata/jm/b4/b400630E/
标题:Synthesis,Mesomorphic Behaviour And Optical Anisotropy Of Some Novel Materials For Nematic Mixtures Of High Birefringenceelectronic Supplementary Information (Esi) Available: Experimental Procedures For All Compounds Not Already Given In This Paper. See Http://www.Rsc.Orgpdata/jm/b4/b400630E/
摘要:结构单元包括核心单元(如苯基,萘基和噻吩基),连接基团(如乙炔基),末端取代基(如氰基,异硫氰酸基和氟基)以及侧向氟取代基,已被引入到旨在赋予液晶混合物高双折射率的新材料中.这些材料均通过涉及钯催化的芳基硼酸交叉偶联反应的汇聚合成方法制备而成.材料的介晶行为作为纯材料和混合物进行了研究;一些材料被发现具有极高的液晶相稳定性,而另一些则为非介晶性.材料在液晶宿主混合物中被评估其光学各向异性,所有材料均显示出有希望的高值.
Doi:10.1039/b400630E