CAS: 82-73-5; 4-Bromoisobenzofuran-1,3-Dione

该化合物是异正辛醇-1,3-二酮的溴衍生物,通常用作有机合成的多用途中间体,其反应性溴替代物可选择性地发挥功能,使其对建造复杂的环环环化合物和药物前体具有价值.该化合物在标准条件下的高度纯度和稳定性确保了核循环替代或交叉组合过程等反应的可靠性能.它与一系列试剂和溶剂的兼容性进一步增强了其在化学和药用化学应用中的效用.该产品通常由于具有再活动性,在受控制的条件下处理,在使用期间需要适当的安全措施.

结构式图片

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合成工艺路线路线简述

  • 合成目标产物 3-Bromophthalic Anhydride 主要起始原料 Bis(O-Toluoyl) Peroxide
  • 34362-24-8 = 82-73-5
    反应条件:1.1 Reagents: Chloro(1-Methylethyl)Magnesium Solvents: Tetrahydrofuran; Rt -> -40 °C; 2 H,-40 °C1.2 1 H,-40 °C
    标题:Regioselective Halogen-Metal Exchange Reaction Of 3-Substituted 1,2-Dibromo Arenes: The Synthesis Of 2-Substituted 5-Bromobenzoic Acids
    作者:Menzel,Karsten; Et Al
    参考文献:Synlett 日期:2006 卷标:(12) 页码:1948-1952]

    = 82-73-5
    反应条件:1.1 Reagents: Potassium Hydroxide,Permanganic Acid (Hmno4),Potassium Salt (1:1) Solvents: Water; 32 H,Reflux2.1 Reagents: Acetic Anhydride; 2 H,Reflux
    标题:Enhanced Fluorescence Of Phthalimide Compounds Induced By The Incorporation Of Electron-Donating Alicyclic Amino Groups
    作者:Orita,Ryoji; Et Al
    参考文献:Physical Chemistry Chemical Physics 日期:2018 卷标:20(23) 页码:16033-16044]

    = 82-73-5
    反应条件:1.1 Reagents: Permanganic Acid (Hmno4),Potassium Salt (1:1) Catalysts: Hexadecyltrimethylammonium Bromide Solvents: Water; 4 D,60 °C1.2 Reagents: Hydrochloric Acid Solvents: Water; Ph 1,0 °C2.1 Reagents: Acetic Anhydride Solvents: Acetic Anhydride; 1 H,Reflux; Cooled
    标题:Synthesis And Biological Activity Of N-Butylphthalide Derivatives
    作者:Wang,Wei; Et Al
    参考文献:European Journal Of Medicinal Chemistry 日期:2010 卷标:45(5) 页码:1941-1946]

    = 82-73-5
    反应条件:1.1 Reagents: Triphenylphosphine,Bromine2.1 Reagents: Permanganic Acid (Hmno4),Potassium Salt (1:1)3.1 Reagents: Acetic Anhydride
    标题:The Regioselectivity Of Metal Hydride Reductions Of 3-Substituted Phthalic Anhydrides
    作者:Soucy,C.; Et Al
    参考文献:Journal Of Organic Chemistry 日期:1987 卷标:52(1) 页码:129-34
3-Bromo-2-Isobutoxycarbonylbenzoic Acid置于盐酸,乙酸酐体系中,用 Sodium Hydroxide,甲苯 作为反应溶剂,化学反应生成 3-溴代苯酐
参考文献:Condensed Pyridazinyl Guanidines,Their Production And Use
标题:Condensed Pyridazinyl Guanidines,Their Production And Use
摘要:吡啶并嗪基胍类化合物,其通式为:其中环a为苯环或含氮的6元芳香环,每个环均可被取代;r1为可被取代的芳香环基团,或其盐,具有抑制na-H交换的活性,可作为预防/治疗缺血性心血管疾病如心肌梗死和心律失常的药物.

海关参考信息

专利信息


专利号:US-9670305-B2
优先权日:2012-04-16
标 题 :Polyurethane dispersant and the method for its preparation
发明人:WANG ZHIJUN
权利人:WANG ZHIJUN; AFCONA CHEMICALS (HAIMEN) CO LTD
摘要:The present invention is related to a polyurethane dispersant and a preparation method thereof. The polyurethane dispersant is terminated by a nitrogen-containing heterocyclic compound during synthesis. The nitrogen-containing heterocyclic compound is prepared by subjecting anhydride and a compound containing a primary amine and a secondary amine or a hydroxyl or mercapto group to dehydration condensation. The condensed product is the nitrogen-containing heterocyclic compound, containing a reactive hydrogen. The structural formula of the compound containing the primary amine and the secondary amine or hydroxyl or mercapto group is shown as follows: n nwherein n=1 to 5, and preferably 2 to 4, R 1 and R 2 are respectively alkyls containing 1 to 8 carbons, R 1 and R 2 are independent of each other or connected by a chemical bond to form one or more saturated or unsaturated 4-member to 8-member rings, and X represents N, O, or S.

专利号:CN-115894415-A
优先权日:2022-11-29
标 题 :Synthesis method of dianhydride monomer
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合成参考文献


参考文献:10.1007/s10118-025-3280-3
摘要:Niu M, Hu C, Pang X, Chen X. 4-Bromophthalic Anhydride-based Polyesters as a Versatile Modified Platform. Chin J Polym Sci. 2025 Feb 24;43(6):958–63. doi: 10.1007/s10118-025-3280-3.
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