4-nitro-9H-xanthen-9-one | 75038-14-1

• 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: 4-nitro-9H-xanthen-9-one
• 英文别名: 4-nitro-xanthen-9-one；4-Nitro-xanthen-9-on；4-nitroxanthone；4-Nitroxanthen-9-one
• CAS: 75038-14-1
• 化学式: C₁₃H₇NO₄
• 分子量: 241.203
• InChiKey: IPOXERKIEPWMGE-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  18
• 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：
  72.1
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  4-nitro-9H-xanthen-9-one 在 硫酸 、 硝酸 作用下， 生成 2,5-dinitro-xanthen-9-one
  参考文献：
  名称：

  277.二氨基黄嘌呤的合成

  摘要：

  DOI：

  10.1039/jr9530001348
• 作为产物：
  描述：

  2-carboxy-2'-nitrodiphenyl ether 在 硫酸 、 乙酰氯 作用下， 生成 4-nitro-9H-xanthen-9-one
  参考文献：
  名称：

  Akagi; Iwashige, Yakugaku Zasshi/Journal of the Pharmaceutical Society of Japan, 1954, vol. 74, p. 610,613

  摘要：

  DOI：

文献信息

• TRICYCLIC OPIOID MODULATORS
  申请人：DeCorte Bart

  公开号：US20060287297A1

  公开（公告）日：2006-12-21

  The invention is directed to compounds of Formula (I) useful as delta and mu opioid receptor modulators. Pharmaceutical and veterinary compositions and methods of treating mild to severe pain and various diseases using compounds of the invention are also described.

  该发明涉及一种具有式（I）的化合物，可用作δ和μ阿片受体调节剂。还描述了使用该发明的化合物治疗轻度至严重疼痛和各种疾病的药物和兽医组合物及方法。
• Tricyclic opioid modulators
  申请人：Janssen Pharmaceutica N.V.

  公开号：US07582650B2

  公开（公告）日：2009-09-01

  The invention is directed to compounds of Formula (I) useful as delta and mu opioid receptor modulators. Pharmaceutical and veterinary compositions and methods of treating mild to severe pain and various diseases using compounds of the invention are also described.

  本发明涉及一种化合物（I）的使用，其作为δ和μ阿片受体调节剂。本发明还描述了使用该化合物治疗轻度至严重疼痛和各种疾病的制药和兽医组合物以及方法。
• Photosensitive material for electrophotography
  申请人：MITA INDUSTRIAL CO. LTD.

  公开号：EP0100581A2

  公开（公告）日：1984-02-15

  @ Disclosed in a photosensitive material for the electrophotography, which comprises a dispersion of a charge-generating pigment in a charge-transporting medium composed mainly of a polyvinyl carbazole resin, wherein a perylene pigment represented by the following general formula: wherein R, and R2 stand for a hydrogen atom or a substituted or unsubstituted alkyl or aryl group, is dispersed and incorporated as the charge-generating pigment in an amount of 1 to 40 parts by weight per 100 parts by weight of the polyvinyl carbazole resin and a halogeno-p-benzoquinone is further incorporated in an amount of 1 to 60 parts by weight per 100 parts by weight of the polyvinyl carbazole resin.

  @公开了一种用于电致发光的感光材料，它包括电荷发生颜料在主要由聚乙烯基咔唑树脂构成的电荷传输介质中的分散体，其中由以下通式表示的过烯烃颜料： 其中 R 和 R2 代表氢原子或取代或未取代的烷基或芳基，作为电荷发生颜料以每 100 份聚乙烯基咔唑树脂 1 至 40 份（重量比）的量分散和掺入，卤代对苯醌以每 100 份聚乙烯基咔唑树脂 1 至 60 份（重量比）的量进一步掺入。
• Process for production of vinyl chloride polymer
  申请人：Shin-Etsu Chemical Co., Ltd.

  公开号：EP0172427A2

  公开（公告）日：1986-02-26

  This process is a process for production of a vinyl chloride polymer by suspension polymerization or emulsion polymerization of vinyl chloride monomer or a mixture of vinyl chloride monomer with a vinyl monomer copolymerizable with said vinyl chloride monomer in an aqueous medium, characterized in that the polymerization is carried out in a polymerizer, the inner wall surface and portions of the auxiliary equipment thereof which may come into contact with the monomer during polymerization being previously coated with a scaling preventive comprising at least one selected from dyes, pigments and aromatic or heterocyclic compounds having at least 5 conjugated π bonds, while controlling the chloride ion concentration in the reaction mixture to not higher than 100 ppm. According to said process, scaling onto the inner wall surface of a polymerizer, etc. during polymerization can be prevented effectively and surely.

  该工艺是通过氯乙烯单体或氯乙烯单体与可与所述氯乙烯单体共聚的乙烯基单体混合物在水介质中进行悬浮聚合或乳液聚合来生产氯乙烯聚合物的工艺，其特征在于聚合是在聚合器中进行的、内壁表面及其辅助设备中可能在聚合过程中与单体接触的部分事先涂上一层防垢剂，该防垢剂至少包括一种选自染料、颜料和至少有 5 个共轭 π 键的芳香族或杂环化合物的防垢剂，同时控制反应混合物中的氯离子浓度不高于 100 ppm。根据上述工艺，可有效、可靠地防止聚合过程中聚合器等内壁表面结垢。
• Non-linear optical device
  申请人：HITACHI, LTD.

  公开号：EP0315140A2

  公开（公告）日：1989-05-10

  According to the present invention, there is provided a non-linear optical device comprising a non-linear optical medium comprising an organic compound, which remarkably improves the non-linear optical properties. The non-linear optical device according to the present invention is suited for the second and third harmonic generations, photomixing optical parametric oscillations, optical switches and optical bistable devices.

  根据本发明，提供了一种非线性光学器件，它包括一种由有机化合物组成的非线性光学介质，可显著改善非线性光学特性。本发明的非线性光学器件适用于二次和三次谐波代、光混合光学参量振荡、光学开关和光学双稳态器件。

表征谱图