2,4-dichloro-9H-xanthen-9-one | 91821-40-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: 2,4-dichloro-9H-xanthen-9-one
• 英文别名: 2,4-dichloro-xanthen-9-one；2,4-Dichlor-xanthen-9-on；9H-Xanthen-9-one, 2,4-dichloro-；2,4-dichloroxanthen-9-one
• CAS: 91821-40-8
• 化学式: C₁₃H₆Cl₂O₂
• 分子量: 265.095
• InChiKey: UVZVCHGDWVFHQF-UHFFFAOYSA-N

物化性质

• 熔点：
  155-157 °C
• 沸点：
  414.4±45.0 °C(Predicted)
• 密度：
  1.493±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.2
• 重原子数：
  17
• 可旋转键数：
  0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  3,5-dichloro-2-methoxybenzoyl chloride 在 吡啶 、 氢氧化钾 、 正丁基锂 作用下， 以 四氢呋喃 、 甲醇 、 乙醚 、 正己烷 为溶剂， 反应 2.0h， 生成 2,4-dichloro-9H-xanthen-9-one
  参考文献：
  名称：

  A complex induced proximity effect in the anionic Fries rearrangement of o-iodophenyl benzoates: synthesis of dihydro-O-methylsterigmatocystin and other xanthones

  摘要：

  DOI：

  10.1021/jo00302a011

文献信息

• ASYMMETRIC ORGANIC PEROXIDE, CROSSLINKING AGENT COMPRISING THE SAME, AND METHOD OF CROSSLINKING WITH THE SAME
  申请人：NOF CORPORATION

  公开号：EP1233014A1

  公开（公告）日：2002-08-21

  A crosslinking agent comprising an asymmetry organic peroxide having at least one structure unit of (substituted)benzoylcarbonyloxy group represented by the following formula (1) in the molecule thereof. Environmentally friendly crosslinking agents and crosslinked silicone rubber moldings are provided thereby. Specifically, useful crosslinking agents and crosslinking processes for silicone rubber are provided.

  一种交联剂，包括至少具有分子中表示为以下式（1）的（取代）苯甲酰羰氧基结构单元的不对称有机过氧化物。因此提供了环保的交联剂和交联硅橡胶成型品。具体提供了用于硅橡胶的有用交联剂和交联工艺。
• Copper-catalyzed ortho-acylation of phenols with aryl aldehydes and its application in one-step preparation of xanthones
  作者：Jun Hu、Enoch A. Adogla、Yong Ju、Daping Fan、Qian Wang

  DOI：10.1039/c2cc36176k

  日期：——

  In the presence of triphenylphosphine, copper(II) chloride can catalyze an intermolecular ortho-acylation reaction of phenols with aryl aldehydes. The reaction proceeds smoothly with a wide range of starting materials, and furthermore, it can be used to synthesize xanthone derivatives in a single step in high yields.

  在三苯膦的存在下，氯化铜（II）可以催化苯酚与芳香醛之间的分子间邻位酰化反应。该反应能顺利进行，适用范围广泛，并且可用于以高产率一步合成吖啶酮衍生物。
• New Methodology for the Synthesis of Xanthones
  申请人：Wang Qian

  公开号：US20140107354A1

  公开（公告）日：2014-04-17

  Methods are provided for forming a xanthone derivative via reacting a 2-substituted benzaldehyde with a phenol derivative to form the xanthone derivative.

  提供了一种方法，通过将2-取代苯甲醛与酚衍生物反应来形成黄酮衍生物。
• Photo-curable epoxy resin type composition
  申请人：KABUSHIKI KAISHA TOSHIBA

  公开号：EP0123842A1

  公开（公告）日：1984-11-07

  There is disclosed a photo-curable epoxy resin type composition comprising an epoxy resin, an aluminium compound, a silicon compound having a peroxysilyl group and a photosensitizer. The compositions of the present invention can suitably be used for wide varieties of electrical applications.

  本发明公开了一种光固化环氧树脂型组合物，该组合物由环氧树脂、铝化合物、具有过氧硅基的硅化合物和光敏剂组成。 本发明的组合物可适用于各种电气应用。
• Photocurable composition
  申请人：KABUSHIKI KAISHA TOSHIBA

  公开号：EP0135887A2

  公开（公告）日：1985-04-03

  Disclosed is a photocurable composition comprising; an epoxy compound having at least one epoxy group and at least one unsaturated double bond at the same time in the molecule; a metal compound formulated in an amount ranging from 0.001 to 10 wt.% based on the epoxy compound; and a silicon compound capable of forming a silanol group by irradiation of light and formulated in an amount ranging from 0.1 to 20 wt.% based on the epoxy compound.

  本发明公开了一种光固化组合物，该组合物包括：分子中同时具有至少一个环氧基团和至少一个不饱和双键的环氧化合物；以环氧化合物为基础，配制成 0.001 至 10 wt.% 的金属化合物；以及以环氧化合物为基础，配制成 0.1 至 20 wt.% 的可通过光照射形成硅醇基团的硅化合物。