5-(戊氧基)-1-戊烯 | 56052-88-1

• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 5-(戊氧基)-1-戊烯
• 英文名称: 5-(pentyloxy)pent-1-ene
• 英文别名: 5-(pentyloxy)-1-pentene；Pent-4-enyl-n-pentyl-aether；4-Pentenyl pentyl ether；1-pent-4-enoxypentane
• CAS: 56052-88-1
• 化学式: C₁₀H₂₀O
• 分子量: 156.268
• InChiKey: MAXVGMWLQMEIEN-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  11
• 可旋转键数：
  8
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.8
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为产物：
  描述：

  5-(pentyloxy)pent-1-yne 在 potassium tert-butylate 、 氢气 、 C₃₅H₄₃N₅⁽²⁺⁾*2Br^(1-) 、 cobalt(II) chloride 作用下， 以 四氢呋喃 为溶剂， 反应 1.5h， 以99%的产率得到5-(戊氧基)-1-戊烯
  参考文献：
  名称：

  碱/钴中继催化末端炔烃的迁移加氢。

  摘要：

  烯烃的迁移功能化已成为一种强大的策略，可在烃链上原始反应位点的远侧位置实现功能化。但是，尚未开发出用于炔烃底物的类似方案。本文中，公开了通过末端炔的迁移加氢选择性合成（Z）-2-烯烃和共轭E烯烃的碱和钴中继催化方法。机理研究支持中继催化过程，该过程涉及末端炔烃的顺序碱催化异构化和2-炔烃或共轭二烯中间体的钴催化氢化。值得注意的是，这种实用的非贵金属催化系统能够有效控制这种转化的化学，区域和立体选择性。

  DOI：

  10.1002/anie.201916014

文献信息

• INNER LINER FOR PNEUMATIC TIRE, AND METHOD FOR PRODUCING SAME
  申请人：Kuraray Co., Ltd.

  公开号：EP2508342A1

  公开（公告）日：2012-10-10

  Disclosed is an inner liner for a pneumatic tire, the inner liner including no less than 8 resin-layers, the resin-layer having a layer A constituted with a resin composition containing a gas barrier resin, and a layer B constituted with a resin composition containing an elastomer, at least one of the resin compositions included in the layer A and the layer B that are adjacent with each other containing a metal salt, the content of the metal salt being no less than 1 ppm and no greater than 10,000 ppm in terms of metal element equivalent, and an interlayer adhesive force between the layer A and the layer B being no less than 500 g/15 mm. The layer A and the layer B are preferably alternately laminated. The average thickness of single layer of the layer A and the layer B is preferably no less than 0.01 µm and no greater than 10 µm. The multilayered structure has a thickness of preferably no less than 0.1 µm and no greater than 1,000 µm. As the metal salt, at least one selected from the group consisting of alkali metal salts, alkaline earth metal salts and d-block metal salts in group 4 are preferably used.

  本发明公开了一种充气轮胎的内衬，该内衬包括不少于 8 层树脂层，树脂层具有由含有气体阻隔树脂的树脂组合物构成的层 A 和由含有弹性体的树脂组合物构成的层 B、相邻的层 A 和层 B 中包含的树脂组合物中至少有一种含有金属盐，以金属元素当量计，金属盐的含量不小于 1 ppm，不大于 10 000 ppm，层 A 和层 B 之间的层间粘合力不小于 500 g/15 mm。层 A 和层 B 最好交替层压。层 A 和层 B 的单层平均厚度最好不小于 0.01 微米，不大于 10 微米。多层结构的厚度最好不小于 0.1 微米，不大于 1000 微米。作为金属盐，最好使用至少一种选自碱金属盐、碱土金属盐和第 4 组中的 d-嵌段金属盐组成的组。
• MULTILAYERED STRUCTURE, AND INNER LINER AND PNEUMATIC TIRE USING SAME
  申请人：Kuraray Co., Ltd.

  公开号：EP2623315A1

  公开（公告）日：2013-08-07

  A multilayered structure having a layer A constituted with a resin composition containing a gas barrier resin, and a layer B being adjacent to the layer A and being constituted with a resin composition containing an elastomer. The total number of the layer A and the layer B is at least 7. The average thickness of the layer A in terms of a single layer is no less than 0.001 µm and no greater than 10 µm, and the average thickness of the layer B in terms of a single layer is no less than 0.001 µm and no greater than 40 µm. The multilayered structure is formed by irradiating with an active energy ray. Furthermore, an inner liner having the multilayered structure, and a pneumatic tire provided with the inner liner are provided.

  一种多层结构，具有由含有气体阻隔树脂的树脂组合物构成的层 A，以及与层 A 相邻并由含有弹性体的树脂组合物构成的层 B。层 A 和层 B 的总数至少为 7。层 A 的单层平均厚度不小于 0.001 微米且不大于 10 微米，层 B 的单层平均厚度不小于 0.001 微米且不大于 40 微米。该多层结构是通过活性能量射线照射形成的。此外，还提供了具有该多层结构的内衬和配备该内衬的充气轮胎。
• FILM, MOLDED BODY, AND FILM MANUFACTURING METHOD
  申请人：Kuraray Co., Ltd.

  公开号：EP3467011A1

  公开（公告）日：2019-04-10

  Provided are a film usable with minimized deterioration in gas barrier properties, a molded product including the same, and a method for producing a film. According to an aspect of the invention, a film contains a gas barrier resin having a glass transition temperature of 70 °C or below and an elastomer, and has an oxygen permeability coefficient of 200 mL/(m2·day·atm) or less. In a case where tension is applied to stretch the film in a machine direction (MD) at 20 °C such that a twofold increase in length of the film is kept for 30 seconds, and then the tension is released, a ratio L2/L1 is 1.5 or less, where L1 denotes the length of the film prior to application of the tension and L2 denotes the length of the film subsequent to release of the tension. An elongation ratio at break ETD/EMD of the film is preferably 0.9 or more and 1.7 or less, where EMD denotes the elongation at break in MD and ETD denotes the elongation at break in the transverse direction (TD). A molded product according to another aspect of the present invention includes the film according to the above aspect of the present invention.

  本发明提供了一种可最大限度地降低气体阻隔性能的薄膜、一种包含该薄膜的模制产品以及一种生产薄膜的方法。根据本发明的一个方面，薄膜含有玻璃化转变温度为 70 °C 或以下的气体阻隔树脂和弹性体，氧气渗透系数为 200 mL/(m2-day-atm) 或以下。在 20 °C的条件下，施加张力沿机器方向（MD）拉伸薄膜，使薄膜的长度增加两倍，持续 30 秒，然后释放张力，则比率 L2/L1 为 1.5 或更小，其中 L1 表示施加张力前薄膜的长度，L2 表示释放张力后薄膜的长度。薄膜的断裂伸长率 ETD/EMD 最好为 0.9 或以上，1.7 或以下，其中 EMD 表示 MD 方向的断裂伸长率，ETD 表示横向方向（TD）的断裂伸长率。根据本发明的另一方面，模塑产品包括根据本发明上述方面的薄膜。
• RESIN COMPOSITION AND USE OF SAME
  申请人：Kuraray Co., Ltd.

  公开号：EP3514204A1

  公开（公告）日：2019-07-24

  A resin composition contains an ethylene-vinyl alcohol copolymer (A) in which an ethylene unit content is from 10 to 60 mol %, a hindered amine-based compound (B) having a 2,2,6,6-tetraalkylpiperidine ring structure and having an alkoxy group bonded to a nitrogen atom in the structure, and a hindered phenol-based compound (C) having an ester bond or an amide bond. The resin composition contains 0.1 to 5 parts by mass of the hindered amine-based compound (B) and 0.2 to 5 parts by mass of the hindered phenol-based compound (C) with respect to 100 parts by mass of the ethylene-vinyl alcohol copolymer (A), and a mass ratio (C)/(B) is from 0.2 to 3.6.

  一种树脂组合物含有乙烯-乙烯醇共聚物（A）（其中乙烯单元含量为 10 至 60 摩尔%）、受阻胺基化合物（B）（具有 2，2，6，6-四烷基哌啶环结构，且结构中的烷氧基与氮原子成键）和受阻酚基化合物（C）（具有酯键或酰胺键）。相对于 100 重量份的乙烯-乙烯醇共聚物（A），该树脂组合物含有 0.1 至 5 重量份的受阻胺基化合物（B）和 0.2 至 5 重量份的受阻酚基化合物（C），且质量比（C）/（B）为 0.2 至 3.6。
• PURGING AGENT AND METHOD FOR PURGING MOLDING MACHINE USING SAME
  申请人：Kuraray Co., Ltd.

  公开号：EP4006101A1

  公开（公告）日：2022-06-01

  A purging agent of the present invention contains a resin composition containing a hydrophilic resin (A), water (B), and a basic compound (C). The mass ratio (A)/(B) of the hydrophilic resin (A) to the water (B) is 66/34 to 90/10, and the content of the basic compound (C) is 0.25 to 7 parts by mass with respect to 100 parts by mass of the hydrophilic resin (A).

  本发明的净化剂包含一种树脂组合物，其中含有亲水性树脂（A）、水（B）和碱性化合物（C）。亲水性树脂（A）与水（B）的质量比（A）/（B）为 66/34 至 90/10，相对于 100 份亲水性树脂（A），碱性化合物（C）的含量为 0.25 至 7 份。