CAS: 121219-16-7; 2,3-Difluorophenylboronic Acid

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1,2-二氟苯置于盐酸,正丁基锂体系中,用 四氢呋喃,正己烷 用作溶剂,化学反应 3.5H,反应生成2,3-二氟苯硼酸
参考文献:The Synthesis And Electro-Optic Properties Of Liquid Crystalline 2-(2,3-Difluorobiphenyl-4'-yl)-1,3-Dioxanes
标题:The Synthesis And Electro-Optic Properties Of Liquid Crystalline 2-(2,3-Difluorobiphenyl-4'-yl)-1,3-Dioxanes
摘要:制备了 56 种新型烷基和/或烷氧基二取代的 2-(2,3-二氟联苯-4´-基)-1,3-二氧六环 (Dfbpd).大多数烷基-烷氧基同系物展现出近晶 C 和向列相中間相.相反,多数二烷基化合物展现出近晶 C,近晶 A 和向列相.测定了两个由二氧六环体系构成的铁电混合物的双折射 (δn),介电各向异性 (δε),自发极化和响应时间.双折射结果与基于不同核心体系的 8 组混合物进行了比较.发现 Dfbpd 的整体电光性质与最常用的 8 种铁电显示器材料相当.
Doi:10.1039/a902351H

专利信息

专利号:US-5087764-A
优先权日:1988-03-10
标 题 :Process for the preparation of 2,3-difluorobenzenes
发明人：REIFFENRATH VOLKER; KRAUSE JOACHIM
权利人:MERCK PATENT GMBH
摘要:1,4-disubstituted 2,3-difluorobenzenes according to formula I are suitable as intermediates for the synthesis of liquid crystalline compounds.

专利号:US-6121448-A
优先权日:1995-03-28
标题 :Pyrimidine compounds
发明人：LEWIS ROBERT ANDREWS; GOODBY JOHN WILLIAM; TOYNE KENNETH JOHNSON; HIRD MICHAEL
权利人:SECR DEFENCE BRIT
摘要:The synthesis of novel compound (I) is described: 5-bromo-2-iodopyrimidine may be used for the synthesis of a range of chemical compounds both known and novel. The synthesis of a number of novel liquid crystalline compounds is described.

专利号:US-10196413-B2
优先权日:2016-12-06
标 题 :Chiral dihydrobenzoazaphosphole ligands and synthesis thereof
发明人：BISWAS SOUMIK; DESROSIERS JEAN-NICOLAS; LAO KENDRICKS; MANGUNURU HARI P R; QU BO; RODRIGUEZ SONIA; SENANAYAKE CHRIS HUGH; SIEBER JOSHUA DANIEL; WANG XIAO-JUN; YEE NATHAN K; ZHANG YONGDA
权利人:BOEHRINGER INGELHEIM INT
摘要:This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.

专利号:US-7781470-B2
优先权日:1999-09-13
标题:Aminodicarboxylic acid derivatives having pharmaceutical properties
发明人：ALONSO-ALIJA CRISTINA; HEIL MARKUS; FLUBACHER DIETMAR; NAAB PAUL; PERNERSTORFER JOSEF; STASCH JOHANNES-PETER; WUNDER FRANK; DEMBOWSKY KLAUS; PERZBORN ELIZABETH; STAHL ELKE
权利人:BAYER SCHERING PHARMA AG
摘要:The invention relates to compounds of formulae (II), (IV), and (VI) as shown below, n nwherein the several variable groups are as defined in the specification and claims. Processes for making these materials, and methods for using them in the synthesis of compounds for treatment of cardiovascular disorders and fibrotic disorders are also disclosed.

专利号:JP-2010534656-A
优先权日:2007-07-26
标题 :Synthesis of inhibitors of 11β-hydroxysteroid dehydrogenase type 1

专利号:JP-5470557-B2
优先权日:2007-07-26
标 题 :Synthesis of inhibitors of 11β-hydroxysteroid dehydrogenase type 1