2-Methyl-N-{1-[(propan-2-yl)oxy]ethyl}propanamide | 192820-20-5

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 2-Methyl-N-{1-[(propan-2-yl)oxy]ethyl}propanamide
• 英文别名: 2-methyl-N-(1-propan-2-yloxyethyl)propanamide
• CAS: 192820-20-5
• 化学式: C₉H₁₉NO₂
• 分子量: 173.25
• InChiKey: GLRVNCKAALTVGG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  12
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.89
• 拓扑面积：
  38.3
• 氢给体数：
  1
• 氢受体数：
  2

文献信息

• COMPOSITION FOR PRODUCING N-VINYL CARBOXYLIC ACID AMIDE
  申请人：SHOWA DENKO K.K.

  公开号：US20220112155A1

  公开（公告）日：2022-04-14

  The present invention relates to a composition for producing an N-vinylcarboxylic acid amide, the composition including (A) an N-(1-alkoxyethyl)carboxylic acid amide and (B) a carboxylic acid amide other than the N-(1-alkoxyethyl)carboxylic acid amide and the N-vinylcarboxylic acid amide, and satisfying the following conditions (1) to (4): (1) the composition has a melting point of 0 to 30° C.; (2) a water content is 0 to 1.00% by mass in a total amount of the composition; (3) a content ratio of the component (A) to the component (B) is 4.0 to 20.0 in terms of a molar ratio; and (4) a 5% by mass aqueous solution of the composition has a pH of 4.0 to 8.0. The present invention also relates to a method for producing an N-vinylcarboxylic acid amide, the method including thermally decomposing or catalytically decomposing the composition for producing an N-vinylcarboxylic acid amide.

  本发明涉及一种用于生产N-乙烯基羧酸酰胺的组合物，该组合物包括（A）N-(1-烷氧基乙基)羧酸酰胺和（B）除N-(1-烷氧基乙基)羧酸酰胺和N-乙烯基羧酸酰胺以外的羧酸酰胺，并满足以下条件（1）至（4）：（1）组合物的熔点为0至30℃；（2）组合物总量中的水含量为0至1.00%质量分数；（3）组分（A）与组分（B）的含量比为摩尔比4.0至20.0；（4）组合物的5%质量分数水溶液的pH值为4.0至8.0。本发明还涉及一种生产N-乙烯基羧酸酰胺的方法，该方法包括热分解或催化分解上述用于生产N-乙烯基羧酸酰胺的组合物。
• METHOD OF PRODUCING N-VINYLCARBOXYLIC ACID AMIDE
  申请人：SHOWA DENKO K.K.

  公开号：US20210214302A1

  公开（公告）日：2021-07-15

  A method for producing an N-vinylcarboxylic acid amide is provided, the method focusing on unsaturated aldehydes that are contained as impurities generated during a reaction. The method for producing an N-vinylcarboxylic acid amide includes a step for controlling the contained amount of unsaturated aldehydes in the N-vinylcarboxylic acid amide to be not more than 20 mass ppm.

  提供了一种生产N-乙烯基羧酸酰胺的方法，该方法侧重于在反应过程中生成的不饱和醛作为杂质。生产N-乙烯基羧酸酰胺的方法包括一步，控制N-乙烯基羧酸酰胺中含有的不饱和醛的含量不超过20质量ppm。
• METHOD FOR PRODUCING N-VINYL CARBOXYLIC ACID AMIDE
  申请人：Showa Denko K.K.

  公开号：EP3421448A1

  公开（公告）日：2019-01-02

  A method for producing an N-vinylcarboxylic acid amide is provided, the method focusing on unsaturated aldehydes that are contained as impurities generated during a reaction. The method for producing an N-vinylcarboxylic acid amide includes a step for controlling the contained amount of unsaturated aldehydes in the N-vinylcarboxylic acid amide to be not more than 20 mass ppm.

  本发明提供了一种生产 N-乙烯基羧酸酰胺的方法，该方法主要针对在反应过程中作为杂质生成的不饱和醛。生产 N-乙烯基羧酸酰胺的方法包括控制 N-乙烯基羧酸酰胺中不饱和醛的含量不超过 20 质量 ppm 的步骤。
• RAW MATERIAL FEEDER AND N-VINYLCARBOXYLIC ACID AMIDE PRODUCTION METHOD
  申请人：Showa Denko K.K.

  公开号：EP3888770A1

  公开（公告）日：2021-10-06

  Provided are a raw material feeder and a method of producing N-vinylcarboxylic acid amide, in which a raw material is fed to a plurality of evaporation tubes of a falling film evaporator with a stable raw material dispersibility, so that a problem of a thermal decomposition reactor being blocked due to coagulum can be inhibited, and an operation can be stably and continuously performed for a long period of time. A raw material feeder to distribute and feed a liquid compound as a raw material to a plurality of evaporation tubes 8 of a falling film evaporator comprises a main body section 51 comprising a plurality of communication holes 50 facing the plurality of evaporation tubes 8; a restriction orifice 7 housed in an interior of each of the communication holes 50, and comprising an orifice hole 7a; a liquid feeding tip 6 housed to face the restriction orifice 7 on an upstream side of the restriction orifice 7 in the interior of the communication hole 50, and comprising a hole portion 6a facing the orifice hole 7a; a first O-ring 10 fitted into a side surface of the liquid feeding tip 6 from outside, and sandwiched between the side surface of the liquid feeding tip 6 and an inner surface of the communication hole 50; and a second O-ring 11 sandwiched between the liquid feeding tip 6 and the restriction orifice 7 so that the orifice hole 7a is present in an inner region.

  本发明提供了一种原料进料器和一种生产 N-乙烯基羧酸酰胺的方法，在这种方法中，以稳定的原料分散性将原料送入降膜式蒸发器的多个蒸发管中，从而抑制了因凝结物而导致热分解反应器堵塞的问题，并可长期稳定、连续地进行操作。一种原料喂料器，用于将作为原料的液体化合物分配和喂入降膜式蒸发器的多个蒸发管 8，包括一个主体部分 51，该主体部分 51 包括多个朝向多个蒸发管 8 的通孔 50；一个限流孔 7，该限流孔 7 安装在每个通孔 50 的内部，并包括一个孔 7a；一个进液头 6，安装在通信孔 50 内部的限制孔 7 的上游侧，面向限制孔 7，并包括一个面向孔 7a 的孔部分 6a；一个第一 O 形环 10，从外部装入进液头 6 的侧表面，并夹在进液头 6 的侧表面和通信孔 50 的内表面之间；以及一个第二 O 形环 11，夹在进液头 6 和限制孔 7 之间，使孔 7a 位于内部区域。
• METHOD FOR PRODUCING N-VINYLCARBOXYLIC AMIDE
  申请人：Showa Denko K.K.

  公开号：EP3889131A1

  公开（公告）日：2021-10-06

  Provided is a method for producing N-vinylcarboxylic acid amide, in which a problem of a thermal decomposition reactor being blocked with coagulum can be inhibited, and an operation can be stably and continuously performed for a long period of time. The method for producing N-vinylcarboxylic acid amide comprises a feeding step S1 of feeding N-(1-alkoxyethyl)carboxylic acid amide as a raw material to an evaporator, an evaporation step S2 of evaporating, by the evaporator, the raw material, to form a vaporized raw material, and a thermal decomposition step S4 of feeding the vaporized raw material to a thermal decomposition reactor, to thermally decompose the raw material, the method for producing N-vinylcarboxylic acid amide further comprises, between the evaporation step S2 and the thermal decomposition step S4, a collection step S3 of collecting, from the raw material fed to the evaporator, a liquid raw material that is not vaporized and a liquid raw material comprising a part of the vaporized raw material that is liquefied, and the collection step S3 is a step of collecting the liquid raw material by a raw material collection device provided between the evaporator and the thermal decomposition reactor.

  本发明提供了一种生产 N-乙烯基羧酸酰胺的方法，在该方法中，热分解反应器被凝固 物堵塞的问题可以得到抑制，操作可以长期稳定连续地进行。生产 N-乙烯基羧酸酰胺的方法包括将 N-(1-烷氧基乙基)羧酸酰胺作为原料送入蒸发器的进料步骤 S1、通过蒸发器蒸发原料的蒸发步骤 S2、热分解步骤 S4：将蒸发后的原料送入热分解反应器，对原料进行热分解、在蒸发步骤 S2 和热分解步骤 S4 之间，还包括收集步骤 S3，即从送入蒸发器的原料中收集未蒸发的液态原料和由部分已液化的已蒸发原料组成的液态原料，收集步骤 S3 是通过设置在蒸发器和热分解反应器之间的原料收集装置收集液态原料的步骤。