3,7-Diamino-thioxanthen-S-dioxid | 874508-44-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并噻喃类
• 英文名称: 3,7-Diamino-thioxanthen-S-dioxid
• 英文别名: 2,7-diamino-thioxanthene-10,10-dioxide；2,7-Diamino-thioxanthen-10,10-dioxid；10,10-dioxo-9H-thioxanthene-2,7-diamine
• CAS: 874508-44-8
• 化学式: C₁₃H₁₂N₂O₂S
• 分子量: 260.316
• InChiKey: RCPSBADIVDBFLI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  18
• 可旋转键数：
  0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.08
• 拓扑面积：
  94.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  bis-(3-acetylamino-phenyl)-methane 在 盐酸 、 chlorosulphuric acid 作用下， 生成 3,7-Diamino-thioxanthen-S-dioxid
  参考文献：
  名称：

  Matsukawa; Sirakawa, Yakugaku Zasshi/Journal of the Pharmaceutical Society of Japan, 1953, vol. 73, p. 15,16

  摘要：

  DOI：

文献信息

• SOLVENT-RESISTANT ASYMMETRIC HOLLOW FIBER GAS SEPARATION MEMBRANE, AND METHOD FOR PRODUCTION THEREOF
  申请人：Ube Industries, Ltd.

  公开号：EP2239049A1

  公开（公告）日：2010-10-13

  An asymmetric hollow fiber gas separation membrane obtained by subjecting an asymmetric hollow fiber polyimide membrane to a heat treatment having a maximum temperature of from 350 to 450°C, wherein the asymmetric hollow fiber polyimide membrane is formed with a polyimide essentially having a repeating unit represented by a general formula (1): is excellent in a solvent resistance and a thermal stability, and as well has such a mechanical strength that a tensile elongation at break is not less than 10 % as a hollow fiber membrane. In the general formula (1), 20 to 80 mol% of A is a tetravalent unit based on a biphenyl structure represented by formula (2), 20 to 80 mol% of A is a tetravalent unit based on a diphenylhexafluoropropane structure represented by formula (3), and 0 to 30 mol% of A is a tetravalent unit based on a phenyl structure represented by formula (4); and in the general formula (1), 30 to 70 mol% of R is a divalent unit represented by formula (5) and/or formula (6), and 30 to 70 mol% of R is a divalent unit having one or two other aromatic rings than formula (5) or (6), wherein, R1 and R2 are a hydrogen atom or an organic group, and n is 0, 1 or 2, wherein, R1 and R2 are a hydrogen atom or an organic group, X is -CH2- or -CO-, and n is 0, 1 or 2.

  一种非对称中空纤维气体分离膜，通过对非对称中空纤维聚酰亚胺膜进行最高温度为 350 至 450°C 的热处理而获得，其中非对称中空纤维聚酰亚胺膜由基本上具有通式（1）所代表的重复单元的聚酰亚胺形成： 具有优异的耐溶剂性和热稳定性，以及作为中空纤维膜的机械强度，断裂伸长率不小于 10%。在通式（1）中，20-80 摩尔%的 A 是基于式（2）所代表的联苯结构的四价单元，20-80 摩尔%的 A 是基于式（3）所代表的二苯基六氟丙烷结构的四价单元，0-30 摩尔%的 A 是基于式（4）所代表的苯基结构的四价单元；在通式（1）中，30 至 70 摩尔%的 R 是由式（5）和/或式（6）代表的二价单元，30 至 70 摩尔%的 R 是具有比式（5）或（6）多一个或两个芳香环的二价单元、 其中，R1 和 R2 是氢原子或有机基团，n 是 0、1 或 2、 其中，R1 和 R2 是氢原子或有机基团，X 是 -CH2- 或 -CO-，n 是 0、1 或 2。
• ASYMMETRIC GAS SEPARATION MEMBRANE, AND GAS SEPARATION METHOD
  申请人：Ube Industries, Ltd.

  公开号：EP2335815A1

  公开（公告）日：2011-06-22

  There is disclosed an asymmetric gas separation membrane exhibiting both improved gas separation performance and improved mechanical properties, which is made of a soluble aromatic polyimide comprised of a repeating unit represented by general formula (1): wherein B in general formula (1) B comprises 10 to 70 mol% of tetravalent unit B1 represented by general formula (B1) and 90 to 30 mol% of tetravalent unit B2 represented by general formula (B2), and A in general formula (1) comprises 10 to 50 mol% of bivalent unit A1 represented by general formula (A1a) or the like and 90 to 30 mol% of bivalent unit A2 represented by general formula (A2a) or the like.

  本发明公开了一种既能提高气体分离性能又能改善机械性能的不对称气体分离膜，它是由通式（1）代表的重复单元组成的可溶性芳香族聚酰亚胺制成的： 其中通式（1）B 中的 B 包括 10 至 70 摩尔%由通式（B1）代表的四价单元 B1 和 90 至 30 摩尔%由通式（B2）代表的四价单元 B2，以及 通式（1）中的 A 包括 10 至 50 摩尔%由通式（A1a）或类似物质代表的二价单元 A1 和 90 至 30 摩尔%由通式 (A2a) 或类似通式代表的二价单元 A2。
• ASYMMETRIC GAS SEPARATION MEMBRANE, AND METHODS FOR SEPARATING AND RECOVERING GASES
  申请人：UBE Industries, Ltd.

  公开号：EP3124108A1

  公开（公告）日：2017-02-01

  Disclosed is an asymmetric gas separation membrane made of a soluble aromatic polyimide having a specific repeating unit, the soluble aromatic polyimide including: as a tetracarboxylic acid component, a biphenyl structure and a phenyl structure; as a diamine component, a 3,3'-diaminodiphenyl sulphone and a diaminodibenzothiophene, a diaminodibenzothiophene=5,5-dioxide, a diaminothioxanthene-10,10-dione, or a diaminothioxanthene-9,10,10-trione. Disclosed is a method for selectively separating and recovering a specific gas species from a mixed gas composed of a plurality of gas species using the asymmetric gas separation membrane, a method for selectively separating and recovering a nitrogen-rich gas from air using the asymmetric gas separation membrane, and a method for selectively separating carbon dioxide gas from a mixed gas containing carbon dioxide and methane and recovering methane-rich gas using the asymmetric gas separation membrane.

  本发明公开了一种由具有特定重复单元的可溶性芳香族聚酰亚胺制成的不对称气体分离膜，该可溶性芳香族聚酰亚胺包括作为四羧酸组分的联苯结构和苯基结构；作为二胺组分的3,3'-二氨基二苯砜和二氨基二苯并噻吩、二氨基二苯并噻吩=5,5-二氧化物、二氨基并噻吩-10,10-二酮或二氨基并噻吩-9,10,10-三酮。公开了一种利用非对称气体分离膜从由多种气体组成的混合气体中选择性分离和回收特定气体种类的方法，一种利用非对称气体分离膜从空气中选择性分离和回收富氮气体的方法，以及一种利用非对称气体分离膜从含有二氧化碳和甲烷的混合气体中选择性分离二氧化碳气体并回收富甲烷气体的方法。
• NITROUS OXIDE PURIFICATION METHOD
  申请人：Showa Denko K.K.

  公开号：EP3858786A1

  公开（公告）日：2021-08-04

  A nitrous oxide purification method includes a step of performing gas separation by introducing a mixed gas containing nitrous oxide into a gas separation membrane including a polymer material to cause nitrous oxide to selectively permeate the gas separation membrane.

  一种一氧化二氮净化方法包括进行气体分离的步骤，将含有一氧化二氮的混合气体引入包括聚合物材料的气体分离膜，使一氧化二氮选择性地渗透气体分离膜。
• Assymmetric Hollow Fiber Gas Separation Membrane and Gas Separation Method
  申请人：Yoshinaga Toshimune

  公开号：US20080134885A1

  公开（公告）日：2008-06-12

  An asymmetric hollow-fiber gas separation membrane is made of a soluble aromatic polyimide that is composed of a specific repeating unit. The tetracarboxylic acid component of the unit has a diphenylhexafluoropropane structure and a biphenyl structure. The diamine component of the unit essentially contains diaminobenzoic acids and any of diaminodibenzothiophenes, diaminodibenzothiophene=5,5-dioxides, diaminothioxanthene-10,10-diones, and diaminothioxanthene-9,10,10-triones.