CAS: 658-93-5; 3,4-Difluorophenylacetic Acid

该化合物是一种含氟芳烃的碳酸衍生物,配有分子式C8H6F2O2.该化合物是有机合成的多用途中间体,特别是在制药和农用化学应用中,二氟苯基会增强代谢稳定性和结合性.其高纯度和定义明确的结构使其适合精确反应,如组合或功能性组变.三四位置的氟原子会影响电子特性,为有针对性的修改提供受控的再活动.该酸通常作为一种晶体固态供应,质量一致,确保研究和工业流程的再生.

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CAS号367-11-3 邻二氟苯 | CAS号698-80-6 3,4-二氟氯苄 | CAS号658-99-1 3,4-二氟苯乙腈 | CAS号162011-83-8 3-(3,4-Difluoro... | CAS号210530-71-5 2-(3,4-二氟苯基)乙酸甲酯 | CAS号121639-61-0 3,4-二氟苯乙酰氯 | CAS号29270-33-5 α-溴-4-氟苯乙酸

合成工艺路线路线简述

    3,4-二氟氯苄 以 甲醇 作为反应溶剂,化学反应生成 3,4-二氟苯乙酸
    参考文献:2,4-Diamino-5-[4'-Fluoro-3'-Halogenophenyl]Pyrimidines
    标题:2,4-Diamino-5-[4'-Fluoro-3'-Halogenophenyl]Pyrimidines
    摘要:
    DOI:10.1021/jo01351A050

    海关参考信息

    专利信息


    专利号:US-9181292-B2
    优先权日:2011-01-05
    标题 :Methods for preparation of glycosphingolipids and uses thereof
    发明人:LIANG PI-HUI
    权利人:LIANG PI-HUI
    摘要:Methods for synthesis and preparation of alpha-glycosphingolipids are provided. Methods for synthesis of α-galactosyl ceramide, and pharmaceutically active analogs and variants thereof are provided. Novel alpha-glycosphingolipids are provided, wherein the compounds are immunogenic compounds which serve as ligands for NKT (natural killer T) cells.

    专利号:US-6531470-B1
    优先权日:1998-01-23
    标题:Oxazolidinone combinatorial libraries, compositions and methods of preparation
    发明人:GORDEEV MIKHAIL F; LUEHR GARY W; PATEL DINESH V; NI ZHI-JIE; GORDON ERIC
    权利人:UPJOHN CO
    摘要:Oxazolidinones and methods for their synthesis are provided. Also provided are combinatorial libraries comprising oxazolidinones, and methods to prepare the libraries. Further provided are methods of making biologically active oxazolidinones as well as pharmaceutically acceptable compositions comprising the oxazolidinones. The methods of library preparation include the attachment of oxazolidinones to a solid support. The methods of compound preparation in one embodiment involve the reaction of an iminophosphorane with a carbonyl containing polymeric support.

    专利号:EP-3515880-B1
    优先权日:2017-03-17
    标题:Methods and compositions for synthesis of encoded libraries
    发明人:LI JIN; MORGAN BARRY A; Wan jinqiao; DOU DENGFENG; LIU GUANSAI; CHANG YONG; CHEN QIUXIA; WANG XING; XU YANSHAN; HU DONGYAN; LIU JIAN; CHENG XUEMIN
    权利人:HITGEN INC

    专利号:US-2020149034-A1
    优先权日:2017-03-17
    标题:Methods and Compositions for Synthesis of Encoded Libraries

    专利号:WO-0027816-A1
    优先权日:1998-11-10
    标题:Oxazolidinones useful as alpha 1a adrenoceptor antagonists
    发明人:SELNICK HAROLD G; BARROW JAMES
    权利人:MERCK & CO INC; SELNICK HAROLD G; BARROW JAMES
    摘要:(4-Aryl-4-hydroxypiperidinyl) alkylcarbamoyl oxazolidinone compounds and pharmaceutically acceptable salts thereof are disclosed. The synthesis of these compounds and their use as alpha 1a adrenergic receptor antagonists is also described. One application of these compounds is in the treatment of benign prostatic hyperplasia. These compounds are selective in their ability to relax smooth muscle tissue enriched in the alpha 1a receptor subtype without at the same time inducing hypotension. One such tissue is found surrounding the urethral lining. Therefore, one utility of the instant compounds is to provide acute relief to males suffering from benign prostatic hyperplasia, by permitting less hindered urine flow. Another utility of the instant compounds is provided by combination with a human 5-alpha reductase inhibitory compound, such that both acute and chronic relief from the effects of benign prostatic hyperplasia can be achieved.

    专利号:US-6562844-B2
    优先权日:1998-01-23
    标 题:Oxazolidinone combinatorial libraries, compositions and methods of preparation
    发明人:GORDEEV MIKHAIL F; LUEHR GARY W; PATEL DINESH V; NI ZHI-JIE; GORDON ERIC
    权利人:UPJOHN CO
    摘要:Oxazolidinones and methods for their synthesis are provided. Also provided are combinatorial libraries comprising oxazolidinones, and methods to prepare the libraries. Further provided are methods of making biologically active oxazolidinones as well as pharmaceutically acceptable compositions comprising the oxazolidinones. The methods of library preparation include the attachment of oxazolidinones to a solid support. The methods of compound preparation in one embodiment involve the reaction of an iminophosphorane with a carbonyl containing polymeric support.
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    主要参考文献

    [参考文献]: Sebastian Demkowicz, Et Al. Synthesis And Biological Evaluation Of Fluorinated 3-Phenylcoumarin-7-O-Sulfamate Derivatives As Steroid Sulfatase Inhibitors. Chem Biol Drug Des. 2016 Feb;87(2):233-8.

    合成参考文献


    参考文献:10.1016/s0021-9673(99)01111-5
    摘要:Zhou L, Wu Y, Johnson BD, Thompson R, Wyvratt JM. Chromatographic separation of 3,4-difluorophenylacetic acid and its positional isomers using five different techniques. J Chromatogr A. 2000 Jan 14;866(2):281–92. doi: 10.1016/s0021-9673(99)01111-5.
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