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shikometabolin A

中文名称
——
中文别名
——
英文名称
shikometabolin A
英文别名
shikometabolin B
shikometabolin A化学式
CAS
——
化学式
C32H28O9
mdl
——
分子量
556.569
InChiKey
IJOMBGMKPBTOCU-MRXNPFEDSA-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

计算性质

  • 辛醇/水分配系数(LogP):
    4.21
  • 重原子数:
    41.0
  • 可旋转键数:
    5.0
  • 环数:
    5.0
  • sp3杂化的碳原子比例:
    0.22
  • 拓扑面积:
    172.59
  • 氢给体数:
    6.0
  • 氢受体数:
    9.0

反应信息

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文献信息

  • Biotransformation of shikonin by human intestinal bacteria
    作者:Meselhy R. Meselhy、Shigetoshi Kadota、Koji Tsubono、Masao Hattori、Tsuneo Namba
    DOI:10.1016/s0040-4020(01)81108-x
    日期:1994.3
    The bacterial transformation of shikonin (1) in culture media has been investigated using human intestinal bacteria. Of 24 anaerobes tested, Bacteroides fragilis subsp. thetaotus showed an ability to transform 1 extensively to ten metabolites, five monomers; anhydroalkannin (2), deoxyshikonin (3), cycloshikonin (4), metaboshikonin I (5) and II (6), and five dimers; shikometabolins A (7), B (8), C (9), D (10) and E (11), after anaerobic incubation for 3 days. The structures of these metabolites were determined mainly by 2D-NMR including the INADEQUATE experiment.
  • Shikometabolins A, B, C and D, novel dimeric naphthoquinone metabolites obtained from shikonin by human intestinal bacteria
    作者:Meselhy R. Meselhy、Shigetoshi Kadota、Koji Tsubono、Akihiko Kusai、Masao Hattori、Tsuneo Namba
    DOI:10.1016/s0040-4039(00)75844-8
    日期:1994.1
    Shikometabolins A (2), B (3), C (4) and D (5), four novel naphthoquinone dimers, have been isolated after anaerobic incubation of shikonin (1) with Bacteroides fragillis subsp. thetaotus, and their structures have been determined by means of 2-D NMR spectroscopy including INADEQUATE experiments.
  • Effective assignment of positional isomers in dimeric shikonin and its analogs by 1H NMR spectroscopy
    作者:Ling-Hao Zhao、Hai-Wei Yan、Jian-Shuang Jiang、Xu Zhang、Xiang Yuan、Ya-Nan Yang、Pei-Cheng Zhang
    DOI:10.1016/j.cclet.2023.108863
    日期:2024.5
    OH-1 and between OH-8′ and OH-4 are assigned to Type A and Type B, respectively. All reported ambiguous structures were corrected by this pattern. Additionally, the steric structures of isolated compounds were elucidated by quantum chemical calculations of electronic circular dichroism (ECD) spectra.
    通过延长 2.0 和 8.0 Hz 值的采集时间,探索了一种区分二聚紫草素及其类似物两种位置异构体的方法,具有长程相关性。此外,酚羟基质子的 H(质子)核磁共振 (NMR) 模式被开发为“诊断信号”,以确定样品浓度为 0.022–0.034 mol/L 时 DMSO 中每个侧链的相对位置。 OH-5' 和 OH-1 之间以及 OH-8' 和 OH-4 之间 0.6 ppm 的化学位移差异分别指定为 A 型和 B 型。所有报告的不明确结构均通过此模式得到纠正。此外,通过电子圆二色性(ECD)光谱的量子化学计算阐明了分离化合物的空间结构。
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