CAS: 107-80-2; 1,3-Dibromobutane

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626-87-9 533-98-2 24774-58-1

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1,3-丁二醇置于三溴化磷体系中,化学反应 2.0H,以63%的收率获得1,3-二溴丁烷
参考文献:通过分子水平上的非对映体富集和随后的超分子水平上的自恋自排序来自发拆分外消旋笼状链烯
标题:通过分子水平上的非对映体富集和随后的超分子水平上的自恋自排序来自发拆分外消旋笼状链烯
摘要:长期以来,外消旋体的自发拆分,从天然化合物到人造结构,一直被人们所追求,以揭示生命中同手性的起源.尽管已经精心设计了多种合成系统来阐述自发对称性破缺的基本原理,但它们的复杂性仍然无法与包括 Dna 螺旋和蛋白质在内的自然杰作相比,它们在分子和超分子水平上都表现出显着的聚结作用.在这里,我们报告了从包含 720 种可能的立体异构体的三重联锁笼状链烷的外消旋混合物中自发拆分出一对纯手性实体.该笼状链烷包含六个含甲基二噻烷环的连接基(表示为rac-2 ).由于每个甲基二噻烷环都有两个手性中心,因此它表现出四种可能的非对映体.这些等摩尔的非对映异构体优先与它们的轴向类似物相比赤道构象异构体进行区分,导致( S,R )-2和( R,S )-2的主要形成,即分子水平上的非对映异构体富集.这种非对映体富集无偏从前体rac-2转移到笼状链烷rac-4,其中一对同手性化合物 ( S
Doi:10.1021/jacs.1C11452

专利信息

专利号:US-2015158020-A1
优先权日:2013-12-11
标题:Synthesis of zeolites using an organoammonium compound
发明人：NICHOLAS CHRISTOPHER P; MILLER MARK A
权利人:UOP LLC
摘要:A method for synthesizing a zeolite includes the steps of: (a) preparing an aqueous mixture comprising water, a substituted hydrocarbon and an amine; (b) reacting the aqueous mixture; (c) obtaining a solution comprising an organoammonium product; (d) forming a reaction mixture including reactive sources of M, Al, Si, optionally seeds of a layered material L, and the solution, wherein M is a metal; and (e) heating the reaction mixture to form the zeolite. The substituted hydrocarbon can be an α,ω-dihalogen substituted alkane, and the amine is preferably essentially incapable of undergoing pyramidal inversion.

专利号:WO-2004058727-A1
优先权日:2002-12-20
标题 :Substituted 3,5-dihydro-4h-imidazol-4-ones for the treatment of obesity
发明人：CHEN YUANWEI; O'CONNOR STEPHEN JAMES; GUNN DAVID; NEWCOM JASON; CHEN JIANQING; YI LIN; ZHANG HAI-JUN; HUNYADI LASZLO MATYAS; NATERO REINA
权利人:BAYER PHARMACEUTICALS CORP; CHEN YUANWEI; O'CONNOR STEPHEN JAMES; GUNN DAVID; NEWCOM JASON; CHEN JIANQING; YI LIN; ZHANG HAI-JUN; HUNYADI LASZLO MATYAS; NATERO REINA
摘要:This invention relates to substituted 3,5-dihydro-4H-imidazol-4-ones compounds which are useful in the treatment of obesity and obesity-related disorders, and as weight-loss and weight-control agents. The invention also provides methods for synthesis of the compounds, pharmaceutical compositions comprising the compounds, and methods of using such compositions for inducing weight loss and treating obesity and obesity-related disorders.

专利号:US-9522896-B2
优先权日:2014-12-04
标题 :Organo-1-oxa-4-azonium cyclohexane compounds
发明人：NICHOLAS CHRISTOPHER P; MILLER MARK A; GALEY MELISSA M; YUHAS BENJAMIN D; PRABHAKAR SESH
权利人:UOP LLC
摘要:Novel 1-oxa-4-azonium cyclohexane salts are described. These compounds can be used as structure directing agents, and they overcome many of the typical problems associated with OSDA synthesis and subsequent zeolite synthesis. Methods for synthesis of the 1-oxa-4-azonium cyclohexane salts from a variety of starting materials are also described. A substituted hydrocarbon is added to water to form a mixture, and a 1-oxa-4-azacyclohexane derivative is then added. The reaction mixture stirred until a solution containing the 1-oxa-4-azonium cyclohexane salt is obtained.

专利号:US-10633355-B2
优先权日:2014-12-04
标题:Organo-1-oxa-4-azonium cyclohexane compounds
发明人：NICHOLAS CHRISTOPHER P; MILLER MARK A; GALEY MELISSA M; YUHAS BENJAMIN D; PRABHAKAR SESH
权利人:UOP LLC
摘要:Novel 1-oxa-4-azonium cyclohexane salts are described. These compounds can be used as structure directing agents, and they overcome many of the typical problems associated with OSDA synthesis and subsequent zeolite synthesis. Methods for synthesis of the 1-oxa-4-azonium cyclohexane salts from a variety of starting materials are also described. A substituted hydrocarbon is added to water to form a mixture, and a 1-oxa-4-azacyclohexane derivative is then added. The reaction mixture stirred until a solution containing the 1-oxa-4-azonium cyclohexane salt is obtained.

专利号:US-10654817-B2
优先权日:2014-12-04
标题 :Organo-1-oxa-4-azonium cyclohexane compounds
发明人：NICHOLAS CHRISTOPHER P; MILLER MARK A; GALEY MELISSA M; YUHAS BENJAMIN D; PRABHAKAR SESH
权利人:UOP LLC
摘要:Novel 1-oxa-4-azonium cyclohexane salts are described. These compounds can be used as structure directing agents, and they overcome many of the typical problems associated with OSDA synthesis and subsequent zeolite synthesis. Methods for synthesis of the 1-oxa-4-azonium cyclohexane salts from a variety of starting materials are also described. A substituted hydrocarbon is added to water to form a mixture, and a 1-oxa-4-azacyclohexane derivative is then added. The reaction mixture stirred until a solution containing the 1-oxa-4-azonium cyclohexane salt is obtained.

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.