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6-methoxy-2-(4-methoxyphenyl)chroman-4-one | 6336-07-8

中文名称
——
中文别名
——
英文名称
6-methoxy-2-(4-methoxyphenyl)chroman-4-one
英文别名
6-Methoxy-2-(4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one;6-methoxy-2-(4-methoxyphenyl)-2,3-dihydrochromen-4-one
6-methoxy-2-(4-methoxyphenyl)chroman-4-one化学式
CAS
6336-07-8
化学式
C17H16O4
mdl
——
分子量
284.312
InChiKey
QGQFMHPTRWAWNG-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 熔点:
    158 °C(Solv: ethyl acetate (141-78-6))
  • 沸点:
    459.0±45.0 °C(Predicted)
  • 密度:
    1.204±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    3
  • 重原子数:
    21
  • 可旋转键数:
    3
  • 环数:
    3.0
  • sp3杂化的碳原子比例:
    0.24
  • 拓扑面积:
    44.8
  • 氢给体数:
    0
  • 氢受体数:
    4

SDS

SDS:ddee50da995c1081cb61dc7eb1b9a4f5
查看

反应信息

  • 作为反应物:
    参考文献:
    名称:
    在最低三重态下典型的n,π*和π,π*特征的黄烷酮的特定光反应
    摘要:
    上用UV光照射,黄烷酮经历dihydropyranone环的光化学开口(φ 2 <0.2)和/或双分子光还原(φ 3 <0.8)。这些过程的相对发生明显取决于取代基以及溶剂。猝灭实验的结果以及荧光和磷光光谱暗示了两个反应的三线态机理。Hammett p值为ca。–1.2表示自由基在开环反应中的中介作用。在φ标记变化2,φ 3,φ ˚F用的取代基是在可解释的相对贡献而言Ñ,π*和π,π*字符处于最低三元组状态。
    DOI:
    10.1039/p29860001217
  • 作为产物:
    描述:
    (2E)-1-(2-hydroxy-5-methoxyphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one乙醇 为溶剂, 以55%的产率得到6-methoxy-2-(4-methoxyphenyl)chroman-4-one
    参考文献:
    名称:
    Impact of mono- and disubstitution on the colorimetric dynamic covalent switching chalcone/flavanone scaffold
    摘要:
    通过紫外/可见光谱和核磁共振谱,研究了替代对一种新型比色动态共价开关支架的影响。
    DOI:
    10.1039/c4ob00398e
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文献信息

  • Organocatalytic Approach for Assembling Flavanones via a Cascade 1,4-Conjugate Addition/<i>oxa</i>-Michael Addition between Propargylamines with Water
    作者:Xinwei He、Mengqing Xie、Ruxue Li、Pui Ying Choy、Qiang Tang、Yongjia Shang、Fuk Yee Kwong
    DOI:10.1021/acs.orglett.0c01357
    日期:2020.6.5
    DBU-catalyzed one-pot cascade reaction of propargylamines and water for the synthesis of flavanones has been developed. This process proceeds via a sequence of 1,4-conjugate addition of water to alkynyl o-quinone methide (o-AQM), followed by the alkyne–allene isomerization and subsequent intramolecular oxa-Michael addition. This strategy provides a convenient method for accessing a broad range of flavanones
    已经开发了一种DBU催化的炔丙胺和水的一锅级联反应,用于合成黄烷酮。该过程是通过依次将水以1,4-共轭加成到炔基邻苯二甲酰甲基甲烷(o -AQM)上,然后进行炔烃-丙二烯异构化和随后的分子内氧杂-Michael加成反应。该策略提供了一种方便的方法,可以以良好的产率获得具有良好的官能团耐受性的宽泛的黄烷酮,特别是反应性卤素官能团。
  • Specific photoreactions of flavanones typical of n,π* and π,π* characters in lowest triplet states
    作者:Ryoka Matsushima、Katsuhisa Sakai
    DOI:10.1039/p29860001217
    日期:——
    suggests the intermediacy of radicals in the ring-opening reaction. The marked variations in φ2, φ3, and φf with substituents are explicable in terms of relative contributions of n,π* and π,π* character in lowest triplet states.
    上用UV光照射,黄烷酮经历dihydropyranone环的光化学开口(φ 2 <0.2)和/或双分子光还原(φ 3 <0.8)。这些过程的相对发生明显取决于取代基以及溶剂。猝灭实验的结果以及荧光和磷光光谱暗示了两个反应的三线态机理。Hammett p值为ca。–1.2表示自由基在开环反应中的中介作用。在φ标记变化2,φ 3,φ ˚F用的取代基是在可解释的相对贡献而言Ñ,π*和π,π*字符处于最低三元组状态。
  • Enzyme-assisted Cyclization of Chalcones to Flavanones
    作者:Mariana Macías Alonso、Carlos José Boluda、Gabriela Díaz Barajas、Nallely Caldera Sánchez、Iván Córdova-Guerrero、Joaquín González Marrero
    DOI:10.2174/1570178617666200319115406
    日期:2020.12.8
    <p>Enzyme catalyzed synthesis is an eco-friendly technique in organic synthesis, having several benefits over conventional methods. In the present work, we describe a simple process of laccase and chloroperoxidase assisted cyclization of chalcones, leading to the formation of flavanones. The reaction proceeds in a mixture of phosphate buffer and ethanol, under oxygen atmosphere at room temperature, yielding the corresponding flavanone in good to moderate yield. The relative configuration of the products at C2 is tentatively assigned as S*-flavanone based on the coupling constants with the methylenic protons H3α,β. In comparison to the chemical methods, we describe a process which can be achieved efficiently under mild conditions using oxygen as oxidant.</p> </sec></div> <div class="value-text ch">酶催化合成是有机合成中的一种环保技术,与传统方法相比具有多种优点。在这项研究中,我们描述了一种简单的过程,利用漆酶和氯过氧化物酶辅助环化做酮烯,从而形成黄酮类化合物。反应在磷酸盐缓冲液和乙醇混合物中,在室温下的氧气氛围下进行,产率良好至中等,得到相应的黄酮类化合物。产品在C2位置的相对构型暂定为S*-黄酮,基于与亚甲基质子H3α,β的耦合常数。与化学方法相比,我们描述了一种在温和条件下,利用氧气作为氧化剂可以高效实现的过程。</div> </div> </li> <li class="feature-list-item"> <div class="content-title">Prakash, Om; Pahuja, Saroj, Synthetic Communications, 1990, vol. 20, # 10, p. 1417 - 1422</div> <div class="value"> <div class="value-text"> <span>作者:</span>Prakash, Om、Pahuja, Saroj </div> <div class="value-text"> <span>DOI:</span>—— </div> <div class="value-text"> <span>日期:</span>—— </div> <div class="value-text en"></div> <div class="value-text ch"></div> </div> </li> <li class="feature-list-item"> <div class="content-title">Vyas; Shah, Journal of the Indian Chemical Society, 1951, vol. 28, p. 75,78</div> <div 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