1,2-苯醌二肟 | 14208-17-4

• 分子结构分类: 有机化合物 - 苯类化合物 - N-苯基羟胺
• 中文名称: 1,2-苯醌二肟
• 中文别名: N-羟基-2-亚硝基苯胺
• 英文名称: N-(2-nitrosophenyl)hydroxylamine
• CAS: 14208-17-4
• 化学式: C₆H₆N₂O₂
• 分子量: 138.12
• InChiKey: GQWVWBLFIXPRGS-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.3
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  61.7
• 氢给体数：
  2
• 氢受体数：
  4

安全信息

• 海关编码：
  2928000090

反应信息

• 作为反应物：
  描述：

  1,2-苯醌二肟 生成 二亚硝基苯
  参考文献：
  名称：

  BELOV, V. V.;BURMISTROV, S. I.;BURMISTROV, K. S., YKP. XIM. ZH., 56,(1990) N, S. 521-524

  摘要：

  DOI：
• 作为产物：
  描述：

  苯并呋喃 、 2,5-Diisopropyl-hydrochinon 以75%的产率得到
  参考文献：
  名称：

  BELOV, V. V.;BURMISTROV, S. I.;BURMISTROV, K. S., YKP. XIM. ZH., 56,(1990) N, S. 521-524

  摘要：

  DOI：

文献信息

• Process for producing aliphatic carboxylic acid
  申请人：Nippon Shokubai Co., Ltd.

  公开号：US20040254398A1

  公开（公告）日：2004-12-16

  It is an object of the present invention to provide a process for producing aliphatic carboxylic acid, which can stabilize operation of a distillation column upon production of aliphatic carboxylic acid by reducing a water content in an aqueous aliphatic carboxylic acid solution by a distillation column, and can shorten a time during the non-steady state such as at starting up of distillation column operation. The present invention is directed to a process for producing aliphatic carboxylic acid, which comprises an azeotropic distillation step of supplying an aqueous aliphatic carboxylic acid solution and an azeotropic solvent to an azeotropic distillation column to perform distillation, separating an azeotrope containing the azeotropic solvent and water as a distillate, and recovering aliphatic carboxylic acid with a reduced water content as bottom liquid, characterized in that a target value of an amount of the azeotropic solvent to be supplied is set depending on an amount of water in the aqueous aliphatic carboxylic acid solution supplied to the azeotropic distillation column, and the amount of the azeotropic solvent to be supplied is controlled at the target value.

  本发明的目的是提供一种生产脂肪族羧酸的方法，通过在蒸馏塔中减少水含量来稳定脂肪族羧酸的生产过程，并缩短非稳态状态（如蒸馏塔操作启动时）的时间。本发明涉及一种生产脂肪族羧酸的方法，包括供应含水脂肪族羧酸溶液和共沸溶剂至共沸蒸馏塔进行蒸馏的共沸蒸馏步骤，分离含有共沸溶剂和水的共沸物作为馏出物，并以减少水含量的脂肪族羧酸作为底液回收，其特征在于根据供应至共沸蒸馏塔的含水脂肪族羧酸溶液中的水量设定共沸溶剂的供应量目标值，并控制共沸溶剂的供应量达到目标值。
• Method for inhibiting polymerization of (meth)acrylic acid and its esters using an inhibitor and a process for making a compound useful as such an inhibitor
  申请人：Bass Stephen

  公开号：US20060074257A1

  公开（公告）日：2006-04-06

  This invention relates to a method for inhibiting polymerization of (meth)acrylic acid and its esters using a polymerization inhibitor which comprises at least one reduced halide-content azine dye-based compound. A process for producing reduced halide-content azine dye-based compounds using ion exchange resin technology is also provided.

  这项发明涉及一种使用至少一种含有还原卤化物的偶氮染料化合物作为聚合抑制剂来抑制（甲基）丙烯酸及其酯的聚合的方法。还提供了一种利用离子交换树脂技术生产含有还原卤化物的偶氮染料化合物的方法。
• Processes for producing fluorine-containing 2,4-diols and their derivatives
  申请人：Komata Takeo

  公开号：US20050215836A1

  公开（公告）日：2005-09-29

  A process for producing a fluorine-containing 2,4-diol represented by the formula [4], wherein R 1 represents a hydrogen atom or an acyclic or cyclic alkyl group having a carbon atom number of 1 to 7; R 2 represents an acyclic or cyclic alkyl group having a carbon atom number of 1 to 7, a phenyl group, or a substituted phenyl group; and R 1 and R 2 are optionally bonded to each other to form a ring, includes reducing a hydroxy ketone represented by the formula [3], wherein R 1 and R 2 are defined as above, by hydrogen in the presence of a ruthenium catalyst.

  生产一种由下式表示的含氟2,4-二醇的方法， 其中R1代表氢原子或具有1至7个碳原子的非环状或环状烷基基团；R2代表具有1至7个碳原子的非环状或环状烷基基团、苯基或取代苯基；且R1和R2可以选择地相互连接以形成环，包括在钌催化剂存在下用氢还原由下式表示的羟基酮， 其中R1和R2如上定义。
• [EN] POLYMERIZABLE COMPOUNDS WITH QUADRUPLE HYDROGEN BOND FORMING GROUPS<br/>[FR] COMPOSES POLYMERISABLES AVEC GROUPES FORMANT DES LIAISONS HYDROGENE QUADRUPLES
  申请人：KODAK POLYCHROME GRAPHICS LLC

  公开号：WO2004043935A1

  公开（公告）日：2004-05-27

  QHB-Modified free radical polymerizable compounds and free radical polymerizable compositions that comprise these compounds are disclosed. A QBH-modified free radical polymerizable compound has at least one moiety that comprises at least one free radical polymerizable group; a supporting backbone, and at least one and preferably at least two moieties capable of forming four or more, typically four, hydrogen bonds with similar or complementary units on other molecules or portions of molecules. Free radical polymerizable compositions that contain these compounds may be used in any of the well-knows applications for free radical polymerizable compositions. They are especially useful for the formation of imageable elements useful as lithographic printing plate precursors.

  修改后的自由基可聚合化合物和包含这些化合物的自由基可聚合化组合物已被披露。一种QBH修饰的自由基可聚合化合物至少具有一个包含至少一个自由基可聚合基团的基团；一个支撑骨架，以及至少一个并且最好至少两个能够与其他分子或分子部分上的类似或互补单元形成四个或更多，通常为四个，氢键的基团。包含这些化合物的自由基可聚合化组合物可用于任何已知的自由基可聚合化组合物的应用中。它们特别适用于形成可用作平版印刷版前体的可成像元素。
• PROCESS FOR THE MANUFACTURE OF C1 -C4 ALKYL (METH)ACRYLATES
  申请人：Riondel Alain

  公开号：US20070270606A1

  公开（公告）日：2007-11-22

  The invention relates to an improved process for the manufacture of C 1 -C 4 alkyl (meth)acrylates by a direct esterification of (meth)acrylic acid by the corresponding alcohol in the presence of sulphuric acid, phenothiazine being used as polymerization inhibitor. The said process comprises a stage of recovering in value the heavy byproducts generated during this manufacture which consists of a distillation at a relatively low temperature and under an inert atmosphere, followed by a catalytic cracking under an inert atmosphere.

  该发明涉及一种改进的工艺，用于通过在硫酸存在下，直接酯化(meth)丙烯酸和相应醇制备C1-C4烷基(meth)丙烯酸酯，其中苯并噻嗪被用作聚合抑制剂。所述工艺包括一个阶段，用于回收在制造过程中生成的重质副产品的价值，该阶段包括在相对较低的温度和惰性气氛下进行蒸馏，然后在惰性气氛下进行催化裂解。