2,5-dimethyl-benzenesulfonic acid-anhydride | 108840-44-4

• 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: 2,5-dimethyl-benzenesulfonic acid-anhydride
• 英文别名: 2,5-Dimethyl-benzolsulfonsaeure-anhydrid；(2,5-Dimethylphenyl)sulfonyl 2,5-dimethylbenzenesulfonate
• CAS: 108840-44-4
• 化学式: C₁₆H₁₈O₅S₂
• 分子量: 354.448
• InChiKey: BXRCZFRYAQARMA-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.8
• 重原子数：
  23
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  94.3
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  2,5-二甲苯磺酸(二水物) 在 氯仿 、 phosphorus pentoxide 作用下， 生成 2,5-dimethyl-benzenesulfonic acid-anhydride
  参考文献：
  名称：

  Lukaschewitsch, Doklady Akademii Nauk SSSR, 1957, vol. 114, p. 1025,1028

  摘要：

  DOI：

文献信息

• METHOD FOR PRODUCING CYCLIC SULFONIC ACID ESTER AND INTERMEDIATE THEREOF
  申请人：Kuramoto Ayako

  公开号：US20120130089A1

  公开（公告）日：2012-05-24

  The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure.

  本发明旨在提供一种高效的生产方法，该方法不仅能够以低成本和高产率获得环状磺酸酯（磺酮），而且能够在商业规模下稳定地生产磺酸酯（磺酮）。本发明涉及一种生产羟基磺酮的方法，包括第一步，其中将具有特定结构的二元醇和硫酰卤反应，以获得具有特定结构的环状亚磺酸酯，以及第二步，其中将环状亚磺酸酯与水或/和醇反应；一种生产具有特定结构的不饱和磺酮的方法，包括第三步，其中将具有特定结构的羟基磺酮与酸卤或酸酐反应，以获得中间体，随后用碱处理中间体；以及具有特定结构的环状亚磺酸酯。
• 1,3-propanesultone derivative useful in the preparation of a 1,3-propenesultone derivative
  申请人：Wako Pure Chemical Industries, Ltd.

  公开号：EP2757102A1

  公开（公告）日：2014-07-23

  The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial scale. The present invention relates to a method for producing hydroxysultone comprising a first step where a diol having a specified structure and a thionyl halide are reacted to obtain a cyclic sulfite having a specified structure, and a second step where the cyclic sulfite is reacted with water or/and alcohol; a method for producing an unsaturated sultone having a specified structure comprising a third step where a hydroxylsultone having a specified structure is reacted with an acid halide or an acid anhydride to obtain an intermediate, subsequently the intermediate is treated with a base; as well as a cyclic sulfite having a specified structure.

  本发明旨在提供一种高效的生产方法，该方法不仅能够低成本、高产率地获得环状磺酸酯（磺内酯），而且即使在商业规模上也能稳定地获得磺酸酯（磺内酯）。本发明涉及一种生产羟基磺酸内酯的方法，包括第一步：具有特定结构的二元醇与亚 硫酰卤反应，得到具有特定结构的环状亚硫酸盐；第二步：环状亚硫酸盐与水或/和醇反应；一种生产具有特定结构的不饱和舒尔酮的方法，包括第三步：具有特定结构的羟基舒尔酮与酸卤化物或酸酐反应，得到中间体，然后用碱处理中间体；以及具有特定结构的环状亚硫酸盐。
• SILYLAMINE COMPOUND AND LATENT CURING AGENT COMPRISING SAID SILYLAMINE COMPOUND
  申请人：Koei Chemical Company, Limited

  公开号：EP3875461A1

  公开（公告）日：2021-09-08

  An object of the present invention is to provide a compound suitable for use as a latent curing agent, which does not produce an aldehyde compound when caused to react with an isocyanate compound. The present invention provides, as the compound, a silylamine compound represented by the following formula (1): in the formula (1), R1 to R12 each independently represent an alkyl group having 1 to 6 carbon atoms, R13 represents an alkylene group having 2 to 12 carbon atoms or an arylene group having 6 to 12 carbon atoms, R14 to R21 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, "y" and "z" each independently represent an integer of from 1 to 11, and "n" represents an integer of from 1 to 43.

  本发明的目的是提供一种适合用作潜在固化剂的化合物，该化合物在与异氰酸酯化合物反应时不会产生醛化合物。本发明提供了由下式（1）表示的硅胺化合物作为该化合物： 式（1）中，R1 至 R12 各自独立地代表具有 1 至 6 个碳原子的烷基，R13 代表具有 2 至 12 个碳原子的亚烷基或具有 6 至 12 个碳原子的芳烯基，R14 至 R21 各自独立地代表氢原子或具有 1 至 6 个碳原子的烷基，"y "和 "z "各自独立地代表 1 至 11 的整数，"n "代表 1 至 43 的整数。
• PROCESS FOR PRODUCING AMIDE COMPOUND
  申请人：Mitsubishi Chemical Corporation

  公开号：EP1274681B1

  公开（公告）日：2011-08-17
• Intermediate for producing a cyclic sulfonic acid ester
  申请人：Wako Pure Chemical Industries, Ltd.

  公开号：EP2757102B1

  公开（公告）日：2016-03-23