CAS: 1846-76-0; Ethyl 2-Oxo-2H-Chromene-3-Carboxylate
该化合物是一种多用途有机化合物,属于Coumarin家族,其特征是其处于三等状态的酯功能组,该化合物被广泛用作有机合成的关键中间体,特别是在制备药品,农用化学品和荧光染料方面,其结构特征使其能高效衍生,使其对构建三环框架很有价值.乙基乙酸碱可提高有机溶剂的溶性,便于在温和条件下作出反应.此外,其明确界定的再活动特征允许有选择地进行修改,支持医药化学和材料科学的应用.注意到乙酰3-coumarinboxylate的稳定性和与多种合成方法的兼容性.
- 英文名称Ethyl 2-Oxo-2H-Chromene-3-Carboxylate
- 中文名称香豆素-3-羧酸乙酯
- IUPAC名称ethyl 2-oxo-2H-chromene-3-carboxylate
- 其它别名2-Oxo-2H-1-benzopyran-3-carboxylicacid ethyl ester; 3-Carbethoxycoumarin; 3-Ethoxycarbonylcoumarin; Ethyl 2-oxo-2H-1-benzopyran-3-carboxylate; Ethyl 2H-1-benzopyran-2-oxo-3-carboxylate; Ethyl2H-2-oxo-1-benzopyran-3-carboxylate; Ethyl 3-coumarincarboxylate
- CAS编号1846-76-0
- MFCD编号:MFCD00016964
- EINECS号:811-043-7
- FDA UNII编号:27EAZ97E5V
- 分子式:C12H10O4分子量:218.21
- 产品CID: 945936
- 产品分类有机原料→分子砌块→芳杂环类化合物→香豆素类化合物
物理性质
- 熔点92-94°C
- 沸点378 °C at 760 mmHg
- 闪点195.6±23.0 °C
- 密度1.3±0.1 g/cm3
- PSA:56.51
- LogP:1.9697
- 折射率1.568
- 蒸汽压0.0±0.9 mmHg at 25°C
- 溶解性Soluble In DMSO
- 敏感性如果遵照规格使用和储存则不会分解，未有已知危险反应，避免氧化物
- 外观形态白色至几乎白色粉末至晶体
- 储存条件储存在 -20°C
- 产品应用该化合物用作制作分子印印的聚合物(MIPS),对黄曲霉毒素具有相对具体的识别能力.
- 性质描述香豆素-3-羧酸乙酯(1846-76-0)的性质:熔点:92-94°C(文献)BRN:200147CAS数据库:1846-76-0(CAS DataBase Reference)疏水参数计算参考值(XlogP):2.3氢键供体数量:0氢键受体数量:4可旋转化学键数量:3拓扑分子极性表面积(TPSA):52.6重原子数量:16<Pclass=MsoNormal style="MARGIN:0cm 0cm 0pt 36pt;TEXT-INDENT:-18pt;TEXT-ALIGN:left.
MSDS等安全信息
欧盟法规
ECHA物质C&L通报上下游产品
piperidine salicylaldehyde diethyl malonate 2-acetoxybenzaldehydecoumarin-3-carbonylpiperidine N-(4-methylphenyl)-2-ox°Chromene-3-carboxamide N-phenyl-2-ox°Chromene-3-carboxamide H-cyclopropa[c]chromene-1a-carboxylic acid ethyl ester1-benzoyl-2-oxo-1,7b-dihydro-2H-cyclopropa[c]chromene-1a-carboxylic acid ethyl ester合成工艺路线路线简述
📜亚苯甲基丙二酸二乙酯置于lithium Hydroxide Monohydrate,碘苯二乙酸,碘体系中,用 四氢呋喃,水,1,2-二氯乙烷 用作溶剂,化学反应 35.0H,反应生成香豆素-3-羧酸乙酯
参考文献:通过pida / I 2介导的取代苯基丙烯酸的氧化环化反应 合成香豆素†
标题:通过pida / I 2介导的取代苯基丙烯酸的氧化环化反应 合成香豆素†
摘要:通过pida / I 2介导的和辐射促进的氧化碳-氧键形成,由取代的苯基丙烯酸合成了多种功能化的香豆素.我们的研究表明,羧酸侧基中的氧有利地环化成顺式的芳基环.该方法的主要优点包括非常好的官能团耐受性和无过渡金属的特性.
Doi:10.1039/c3Ra23188G
海关参考信息
- 2902200000-苯
2912110000-甲醛
2915110000-甲酸
2901100000-饱和无环烃 - 💡 提示：海关信息按照顺序优先匹配，如需确认的海关信息，请参考相关资料。
- 详情请参考：📖 海关编码查询和海关进出口税则
专利信息
专利号:US-11471537-B2
优先权日:2017-04-05
标题 :Oligomer extended insulin-Fc conjugates
发明人：MOELLER TAGMOSE TINA; MADSEN PETER; KJELDSEN THOMAS BOERGLUM; PRIDAL LONE; DE MARIA LEONARDO; LIN ZHAOSHENG; Wan zhe; ZHANG YUANYUAN; LYKKE LENNART; MUENZEL MARTIN WERNER BORCHSENIUS; KODRA JANOS TIBOR
权利人:NOVO NORDISK AS
摘要:This invention is in the field of protein conjugates. More specifically the invention relates to oligomer extended insulins with covalently attached Fc monomer polypeptides, for use in the treatment of a metabolic disorder or condition, and to methods of producing such oligomer extended insulin-Fc conjugates. The invention also relates to novel Fc fragments, to intermediate products, and to the use of such intermediate products in processes for the synthesis of the oligomer extended insulin-Fc conjugates of the invention. Finally the invention provides pharmaceutical compositions comprising the oligomer extended insulin-Fc conjugates of the invention, and relates to the use of such compositions for the treatment or prevention of medical conditions relating to metabolic disorders or conditions.
专利号:RU-2387648-C1
优先权日:2008-12-15
标 题:Method for synthesis of alkyl esters of 3-oxo-1,3-dihydrobenzo[c]oxepin-4-carboxylic acid
专利号:CN-113024499-A
优先权日:2021-03-17
标 题 :A kind of green synthesis method of coumarin-3-carboxylic acid compounds
供应商参考报价(招募中)
品牌试剂参考报价(招募中)
📌 第三方产品分析报告
主要参考文献
[参考文献]: Wu C, Et Al. Solid-Phase Extraction Of Aflatoxins Using A Nanosorbent Consisting Of A Magnetized Nanoporous Carbon Core Coated With A Molecularly Imprinted Polymer. Mikrochim Acta. 2018 Oct 25;185(11):515.合成参考文献
摘要:Cheng, B.; Wang, T., Science of Synthesis Knowledge Updates, (2020) 3, 142.
摘要:Cheng, B.; Wang, T., Science of Synthesis Knowledge Updates, (2020) 3, 163.
摘要:Yakugaku Zasshi. Journal of Pharmacy., 75(1486), 1955
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