di-n-propyl-2-methylenemalonate | 89174-12-9

• 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: di-n-propyl-2-methylenemalonate
• 英文别名: Dipropyl 2-methylidenepropanedioate
• CAS: 89174-12-9
• 化学式: C₁₀H₁₆O₄
• 分子量: 200.235
• InChiKey: MRDQECHJLFDXIF-UHFFFAOYSA-N

物化性质

• 沸点：
  77-81 °C(Press: 0.2 Torr)
• 密度：
  1.024±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 重原子数：
  14
• 可旋转键数：
  8
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.6
• 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：

  丙二酸二丙酯 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 di-n-propyl-2-methylenemalonate
  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

• 2,3-DIPHENYL-VALERONITRILE DERIVATIVES, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF AS HERBICIDES AND PLANT GROWTH REGULATORS
  申请人：Mosrin Marc

  公开号：US20140235446A1

  公开（公告）日：2014-08-21

  The compounds of the formula (I) in which L represents a radical of the formula and A 1 , B 1 and A 2 and B 2 are as defined in Claim 1, are suitable as herbicides for the control of harmful plants or as plant growth regulators. The compounds can be prepared by the process of Claim 12.

  式(I)中L代表式的基团，A1、B1、A2和B2如权利要求1所定义，适用于作为除草剂用于控制有害植物或作为植物生长调节剂。这些化合物可以通过权利要求12所述的方法制备。
• Novel polycyclic fused pyrazole compounds useful as antiinflammatory agents and preparation thereof
  申请人：STERLING DRUG INC.

  公开号：EP0102404A1

  公开（公告）日：1984-03-14

  @ The compounds of the formulas where R and R' are lower-alkyl possess glucocorticoid activity, and are prepared by reacting the compound of the formula with the appropriate dienophile.

  @ 式中 R 和 R'为低级烷基的化合物具有糖皮质激素活性。 其中 R 和 R'为低级烷基，具有糖皮质激素活性。 与适当的亲二烯反应制备。
• 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。