5-ethyl-2-methyl-benzenesulfonic acid | 92639-77-5

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 5-ethyl-2-methyl-benzenesulfonic acid
• 英文别名: 5-Aethyl-2-methyl-benzolsulfonsaeure；5-Ethyl-2-methylbenzenesulfonic acid
• CAS: 92639-77-5
• 化学式: C₉H₁₂O₃S
• 分子量: 200.258
• InChiKey: IHHRVMINOZRUNH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  13
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  62.8
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  4-乙基甲苯 生成 5-ethyl-2-methyl-benzenesulfonic acid
  参考文献：
  名称：

  KRYLOV, E. N.;KOROBTSOVA, I. V., ZH. OBSHCH. XIMII, 1984, 54, N 5, 1169-1173

  摘要：

  DOI：

文献信息

• Aromatic Sulfonation, 131. Formation of Sulfonic Acids and Sulfonic Anhydrides in the Sulfur Trioxide Sulfonation of Some Dialkylbenzenes and 1,ω-Diarylalkanes
  作者：Hans Cerfontain、Ankie Koeberg-Telder、Helen C. A. van Lindert、Bert H. Bakker

  DOI：10.1002/jlac.199719971109

  日期：1997.11

  An exploratory study has been made on the SO3 sulfonation of a number of alkylarenes in [D2]dichloromethane as an aprotic solvent, mostly in the presence of [D8]1,4-dioxane as a reactivity moderator, in order to obtain information on sulfonic acid and sulfonic anhydride formation. 1,2-Dimethylbenzene (1) with 1.0 mol-equiv. of SO3 yields predominantly the 4-sulfonic acid (1-4-S), whereas with 4.0 mol-equiv

  为了获得质子惰性的[D 8 ]，4-二恶烷，在[D 2 ]二氯甲烷中作为非质子传递溶剂，对许多烷基芳烃进行SO 3磺化的探索性研究，有关磺酸和磺酸酐形成的信息。具有1.0摩尔当量的1,2-二甲基苯（1）。SO 3的产率主要为4-磺酸（1 -4-S），而当量为4.0 mol-当量。的SO 3，的相应的（分子间）磺酸酐（18％（摩尔）1 -4-SO 2）2 O的额外形成。1,4-二甲苯（2），当量为0.8摩尔当量。SO 3的产率主要为2 -2-S，而当量为4.0 mol-当量。通过SO 3形成磺酸酐（2 -2-SO 2）2 O及其6-S和6,6'-S 2衍生物，最终的主要产物为（6-S- 2 -2-SO 2）2 O. 1-乙基-4-甲基苯（3）与2.0 mol当量的反应。的SO 3- [D 8在-78 -40°C下，]二恶烷导致2-和3-S衍生物以26:74的摩尔比主要形成，并带有少量的三种相应的分子间酸酐。在0
• Polycarbonate resin composition
  申请人：——

  公开号：US20040116618A1

  公开（公告）日：2004-06-17

  The polycarbonate resin of the present invention has an improved refractive index, balance of dispersion, photoelastic constant, and so on while still maintaining the characteristics of polycarbonate, such as excellent impact resistance and heat resistance, and is characterized by comprising an aromatic-aliphatic copolymerized polycarbonate resin (A) and an aromatic polycarbonate resin (B) having a structural unit represented by the following formula (1): 1 (Where X in the above formula (1) is: 2 and wherein R 3 and R 4 are a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or a phenyl group, and R 3 and R 4 may combine to form a ring, R 1 and R 2 are a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or a halogen atom, R 1 , R 2 , R 3 and R 4 may be same or different, and m and n are a number of substituent being an integer from 0 to 4). A polycarbonate resin composition according to the present invention can be suitably used as a plastic optical material for various lenses, prisms, optical disk substrates, and the like.

  本发明的聚碳酸酯树脂具有更好的折射率、分散平衡性、光弹性常数等，同时仍保持聚碳酸酯的特性，如优异的抗冲击性和耐热性，其特征在于由芳香族-脂肪族共聚聚碳酸酯树脂（A）和芳香族聚碳酸酯树脂（B）组成，芳香族聚碳酸酯树脂的结构单元由下式（1）表示： 1 (其中，上式（1）中的 X 为： 2 其中 R 3 和 R 4 是氢原子、具有 1 至 10 个碳原子的烷基或苯基，而 R 3 和 R 4 可结合成一个环，R 1 和 R 2 是氢原子、具有 1 至 10 个碳原子的烷基或卤素原子，R 1 , R 2 , R 3 和 R 4 可相同或不同，m 和 n 是 0 至 4 之间的整数）。 根据本发明的聚碳酸酯树脂组合物可适当用作各种透镜、棱镜、光盘基板等的塑料光学材料。
• Krylov, E. N.; Korobtsova, I. V., Journal of general chemistry of the USSR, 1984, vol. 54, # 5, p. 1046 - 1049
  作者：Krylov, E. N.、Korobtsova, I. V.

  DOI：——

  日期：——
• Defren, Chemische Berichte, 1895, vol. 28, p. 2649
  作者：Defren

  DOI：——

  日期：——
• SUBSTITUTED PORPHYRINS
  申请人：Batinic-Haberle Ines

  公开号：US20110275606A1

  公开（公告）日：2011-11-10

  Discloses are compounds according to Formula I. Further provided are methods of reducing oxidative stress in a cell, methods of treating a disease including cancer, and methods of treating a subject with a disorder associated with oxidative stress, the methods including administering a compound according to the invention. Also disclosed are methods of potentiating a cancer cell for treatment with ionizing radiation or chemotherapeutics including contacting the cell with an effective amount of a compound according to the invention. Further discloses are pharmaceutical compositions comprising a pharmaceutically acceptable carrier and a compound according to the invention.