methylenepropanedioic acid di-n-pentyl ester | 116280-16-1

• 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: methylenepropanedioic acid di-n-pentyl ester
• 英文别名: methylenepropanedioic acid dipentyl ester；methylenemalonic acid di-n-pentyl ester；di-n-pentyl methylenemalonate；Dipentyl 2-methylidenepropanedioate
• CAS: 116280-16-1
• 化学式: C₁₄H₂₄O₄
• 分子量: 256.342
• InChiKey: WNURUINDEYKYLX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.4
• 重原子数：
  18
• 可旋转键数：
  12
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.71
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  dipentyl malonate 在 马来酸酐 、 copper diacetate 、 溶剂黄146 作用下， 以 paraffin 、 xylene 为溶剂， 反应 2.75h， 生成 methylenepropanedioic acid di-n-pentyl ester
  参考文献：
  名称：

  A versatile and convenient multigram synthesis of methylidenemalonic acid diesters

  摘要：

  DOI：

  10.1021/jo00255a038

文献信息

• Process for producing alpha, beta-unsaturated carboxylic acid esters and catalyst for use in such process
  申请人：Nippon Shokubai Co., Ltd.

  公开号：EP1123915A1

  公开（公告）日：2001-08-16

  Economical and efficient processes for producing an α, β-unsaturated carboxylic acid heterocycle-inserted ester and an α,β-unsaturated carboxylic acid polyheteroalkylene ester as well as a catalyst suited for use in economically and efficiently producing an α,β-unsaturated carboxylic acid ester are provided. The invention provides (1) a process for producing an α,β-unsaturated carboxylic acid ester which comprises reacting an α,β-unsaturated carboxylic acid ester with a heterocyclic compound, (2) a process for producing an α,β-unsaturated carboxylic acid ester which comprises reacting an α,β-unsaturated carboxylic acid with a heterocyclic compound in the presence of a polymerization inhibitor and a metal oxide catalyst, and (3) a catalyst for the production of an α,β-unsaturated carboxylic acid ester    comprising a metal oxide.

  本发明提供了经济、高效地生产α，β-不饱和羧酸杂环插入酯和α，β-不饱和羧酸聚异链烷烃酯的工艺，以及适用于经济、高效地生产α，β-不饱和羧酸酯的催化剂。 本发明提供 (1）一种生产α，β-不饱和羧酸酯的工艺，它包括使α，β-不饱和羧酸酯与杂环化合物反应、 (2) α，β-不饱和羧酸酯的生产工艺 其中包括使 α，β-不饱和羧酸与杂环化合物反应 在聚合抑制剂和金属氧化物催化剂存在下，以及 (3) α,β-不饱和羧酸酯生产催化剂 包括一种金属氧化物。
• NAPHTHYRIDINE DERIVATIVE
  申请人：OTSUKA PHARMACEUTICAL FACTORY, INC.

  公开号：EP1426374A1

  公开（公告）日：2004-06-09

  The present invention provides a novel naphthyridine derivative that is effective for relieving pain, less toxic, and also is effective for treating diabetic neuropathy, the derivative being represented by the general formula (1) : wherein R1, R2, R3 and R4 are as described in the description.

  本发明提供了一种新型萘啶衍生物，它能有效缓解疼痛，毒性较低，还能有效治疗糖尿病神经病变，该衍生物由通式（1）表示：其中 R1、R2、R3 和 R4 如说明中所述。
• RESIN COMPOSITION
  申请人：Namics Corporation

  公开号：EP3626751A1

  公开（公告）日：2020-03-25

  An object of the present invention is to provide a resin composition that is curable at a low temperature of 80°C or lower, preferably at room temperature, and that only contains a small amount of components that volatilize during use (application) or curing and is suitable as a one-part adhesive for use in the manufacture of an image sensor module or an electronic component. The resin composition of the present invention contains one or more 2-methylene-1,3-dicarbonyl compounds. At least one of the one or more 2-methylene-1,3-dicarbonyl compounds has a molecular weight of 220 to 10,000, and the amount by weight of those of the 2-methylene-1,3-dicarbonyl compounds having a molecular weight of less than 220 relative the entire resin composition of 1 is 0.00 to 0.05. The 2-methylene-1,3-dicarbonyl compounds contain a structural unit represented by formula (I) below.

  本发明的目的是提供一种树脂组合物，该树脂组合物可在 80°C 或更低的低温下固化，最好是在室温下固化，并且只含有少量在使用（涂抹）或固化过程中挥发的成分，适合作为单组分粘合剂用于制造图像传感器模块或电子元件。 本发明的树脂组合物含有一种或多种 2-亚甲基-1,3-二羰基化合物。一种或多种 2-亚甲基-1,3-二羰基化合物中至少有一种的分子量为 220 至 10,000，分子量小于 220 的 2-亚甲基-1,3-二羰基化合物相对于整个树脂组合物 1 的重量比为 0.00 至 0.05。2-亚甲基-1,3-二羰基化合物含有下式(I)所代表的结构单元。
• 3D-PRINTING METHOD USING GAS-ACTIVATED CYANOACRYLATES
  申请人：Henkel AG & Co. KGaA

  公开号：EP3708370A1

  公开（公告）日：2020-09-16

  Method for fabricating a three-dimensional object by dispensing an anionically polymerisable material and contacting with an activator in gaseous form.

  通过分配阴离子可聚合材料并与气态活化剂接触来制造三维物体的方法。
• CURING AGENT COMPOSITION FOR CURING 2-METHYLENE-1,3-DICARBONYL COMPOUND
  申请人：Namics Corporation

  公开号：EP3865520A1

  公开（公告）日：2021-08-18

  It is an object of the present invention to provide a curing agent composition capable of curing, without inconvenience, a base resin containing a 2-methylene-1,3-dicarbonyl compound, and a two-part mixing adhesive and the like containing the same. The present invention provides a curing agent composition containing a specific 2-methylene-1,3-dicarbonyl compound and an initiator; a two-part mixing adhesive formed of the same and a base resin containing another specific 2-methylene-1,3-dicarbonyl compound; and a method for curing another specific 2-methylene-1,3-dicarbonyl compound using the same.

  本发明的目的是提供一种固化剂组合物，该组合物能够无障碍地固化含有 2-亚甲基-1,3-二羰基化合物的基础树脂，以及含有相同成分的双组分混合粘合剂等。 本发明提供了一种含有特定 2-亚甲基-1,3-二羰基化合物和引发剂的固化剂组合物；一种由该组合物和含有另一种特定 2-亚甲基-1,3-二羰基化合物的基础树脂组成的双组分混合粘合剂；以及一种使用该组合物固化另一种特定 2-亚甲基-1,3-二羰基化合物的方法。