trans-crotonic acid pentyl ester | 6938-30-3

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: trans-crotonic acid pentyl ester
• 英文别名: trans-Crotonsaeure-pentylester；pentyl 2-butenoate；pentyl (E)-but-2-enoate
• CAS: 6938-30-3
• 化学式: C₉H₁₆O₂
• 分子量: 156.225
• InChiKey: PWYYERNADDIMJR-QPJJXVBHSA-N

物化性质

• 沸点：
  194.6±9.0 °C(Predicted)
• 密度：
  0.896±0.06 g/cm3(Predicted)
• 保留指数：
  1110;1119;1119

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  11
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  2-丁烯酰氯 、 戊醇 在 锌 作用下， 以 苯 为溶剂， 反应 0.08h， 以95%的产率得到trans-crotonic acid pentyl ester
  参考文献：
  名称：

  锌促进酰氯与醇酯化的温和高效方法

  摘要：

  描述了在锌存在下各种酰氯与醇的酯化反应。叔丁酯和新戊酸酯的容易形成是该程序的额外重要性。

  DOI：

  10.1080/00397919808004286

文献信息

• METHOD FOR PRODUCING CARBOXYLIC ACID AMIDE
  申请人：Tomokawa Junichi

  公开号：US20130123505A1

  公开（公告）日：2013-05-16

  A carboxamide can be produced in a high yield by a method for producing a carboxamide, for example, represented by formula (4): (wherein R 1 and R 3 are as defined below), the method comprising a step of allowing a carboxylic acid ester represented by formula (1): (wherein R 1 represents an optionally substituented C 1 -C 20 hydrocarbon group or an optionally substituented C 3 -C 20 heterocyclic group, and R 2 represents an optionally substituented C 1 -C 20 hydrocarbon group), an amine represented by formula (2): R 3 —NH 2 (2) (wherein R 3 represents a hydrogen atom or an optionally substituented C 1 -C 20 hydrocarbon group), and a formamide compound represented by formula (3): (wherein R 3 is as defined above) to react in the presence of a metal alkoxide.

  通过一种生产羧酰胺的方法可以高产率生产羧酰胺，例如，如公式（4）所示的方法：（其中R1和R3如下定义），该方法包括允许由公式（1）表示的羧酸酯（其中R1表示可选取代的C1-C20烃基或可选取代的C3-C20杂环基，R2表示可选取代的C1-C20烃基），由公式（2）表示的胺：R3—NH2（2）（其中R3表示氢原子或可选取代的C1-C20烃基），以及由公式（3）表示的甲酰胺化合物（其中R3如上所定义）在金属烷氧化物存在下反应的步骤。
• Acid-degradable resin compositions containing ketene-aldehyde copolymer
  申请人：Sudo Atsushi

  公开号：US20050130057A1

  公开（公告）日：2005-06-16

  It is intended to provide compositions to be used in resists and the like for forming fine patterns with a high sensitivity and a high resolution by increasing the difference in the solubilities between exposed parts and unexposed parts. Acid-degradable compositions contain a polymer having a repeating unit represented by the following general formula (I): wherein R 1 and R 2 independently represent hydrogen atom, halogen atom, C 1-20 hydrocarbon group, a heterocyclic group, a cyano group, a nitro group, C(═O)R 4 group, S(O) n R 4 group, P(═O)(R 4 ) 2 group or M(R 4 ) 3 group; R 3 represents C 1-20 hydrocarbon group or a heterocyclic group: R 4 represents C 1-20 hydrocarbonoxy group, C 1-20 hydrocarbon group, C 1-20 hydrocarbonthio group or mono- or di-C 1-20 hydrocarbonamino group; M represents a silicon, germanium, tin or lead atom; and n is 0, 1 or 2 , and an acid or a compound capable of generating an acid in response to an external stimulus.

  本发明旨在提供用于制备高灵敏度和高分辨率细微图案的抗蚀剂等组合物，通过增加曝光部分和未曝光部分之间的溶解度差异。可降解酸性组合物包含具有以下通式（I）所表示的重复单元的聚合物：其中，R1和R2独立地表示氢原子、卤素原子、C1-20碳氢基团、杂环基团、氰基团、硝基团、C（═O）R4基团、S（O）nR4基团、P（═O）（R4）2基团或M（R4）3基团；R3表示C1-20碳氢基团或杂环基团；R4表示C1-20碳氢氧基团、C1-20碳氢基团、C1-20碳氢硫基团或单烷基或二烷基氨基基团；M表示硅、锗、锡或铅原子；n为0、1或2，以及一种酸或能够响应外部刺激产生酸的化合物。
• Acrylic Acid-Based Polymer and Method of Producing the Same
  申请人：Kubo Hideo

  公开号：US20090111961A1

  公开（公告）日：2009-04-30

  Disclosed are an acrylic acid-based polymer which is a star polymer containing a repeating unit derived from an (α-lower alkyl)acrylic ester represented by formula (I): (wherein R 1 represents a hydrogen atom or a lower alkyl group, and R 2 represents an organic group having a polar group) in an arm portion; an acrylic acid-based polymer containing a repeating unit derived from an poly(α-lower alkyl)acrylic ester and a repeating unit derived from an (α-lower alkyl)acrylic ester represented by formula (I), and a method for producing a polymer through living polymerization, comprising forming an oligomer having a polymerization active end, which is an oligomer higher than an average 1.0-mer and lower than an average 4.0-mer or an average 4.0-mer, and polymerizing using the oligomer having a polymerization active end as an initiating species.

  本发明涉及一种基于丙烯酸的星型聚合物，其包含来自式（I）所表示的（α-较低烷基）丙烯酸酯的重复单元的臂部分；以及一种基于丙烯酸的聚合物，其包含来自聚（α-较低烷基）丙烯酸酯和式（I）所表示的（α-较低烷基）丙烯酸酯的重复单元，并且本发明还提供了通过活性聚合制备聚合物的方法，包括形成具有聚合活性端的寡聚体，该寡聚体高于平均1.0-聚体但低于平均4.0-聚体或平均4.0-聚体，并以具有聚合活性端的寡聚体作为引发物种进行聚合。
• ACRYLIC ACID-BASED POLYMER AND METHOD OF PRODUCING THE SAME
  申请人：Kubo Hideo

  公开号：US20110046333A1

  公开（公告）日：2011-02-24

  Disclosed are an acrylic acid-based polymer which is a star polymer containing a repeating unit derived from an (α-lower alkyl)acrylic ester represented by formula (I): (wherein R 1 represents a hydrogen atom or a lower alkyl group, and R 2 represents an organic group having a polar group) in an arm portion; an acrylic acid-based polymer containing a repeating unit derived from an poly(α-lower alkyl)acrylic ester and a repeating unit derived from an (α-lower alkyl)acrylic ester represented by formula (I), and a method for producing a polymer through living polymerization, comprising forming an oligomer having a polymerization active end, which is an oligomer higher than an average 1.0-mer and lower than an average 4.0-mer or an average 4.0-mer, and polymerizing using the oligomer having a polymerization active end as an initiating species.

  本文揭示了一种基于丙烯酸的星形聚合物，其包含由公式(I)表示的(α-低烷基)丙烯酸酯衍生的重复单元的臂部分；一种基于丙烯酸的聚合物，其中包含由聚(α-低烷基)丙烯酸酯和由公式(I)表示的(α-低烷基)丙烯酸酯衍生的重复单元，并且通过活性聚合法制备聚合物的方法，包括形成具有聚合活性端的寡聚物，该寡聚物高于平均1.0-聚体但低于平均4.0-聚体或平均4.0-聚体，并使用具有聚合活性端的寡聚物作为引发物种进行聚合。
• POLYMER COMPOUND AND LIGHT-EMITTING DEVICE USING SAME
  申请人：Fukushima Daisuke

  公开号：US20120326140A1

  公开（公告）日：2012-12-27

  It is an object of the invention to provide a polymer compound that, when used in a light-emitting device, results in excellent luminance life for the obtained light-emitting device. The invention provides a polymer compound comprising a constitutional unit represented by formula (1). [In formula (1), R 1A , R 1B , R 2A , R 2B represent an unsubstituted alkyl group, R 3 and R 4 represented an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group, an unsubstituted or substituted aryl group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted heterocyclic group, an unsubstituted or substituted silyl group, a halogen atom, an alkoxycarbonyl group, a carboxyl or a cyano group, and R 5 and R 6 represent an unsubstituted or substituted alkyl group, an unsubstituted or substituted alkoxy group or an unsubstituted or substituted aryl group. The letters a, b, c and d each represent an integer of 0 to 3. When multiple R 3 , R 4 , R 5 and R 6 groups are present, they may be the same or different.]

  本发明的目的是提供一种聚合物化合物，当用于发光装置时，能够为所获得的发光装置提供优异的亮度寿命。该发明提供了一种聚合物化合物，其包含由式（1）表示的构成单元。[在式（1）中，R1A、R1B、R2A、R2B表示未取代的烷基，R3和R4表示未取代或取代的烷基，未取代或取代的烷氧基，未取代或取代的芳基，未取代或取代的芳氧基，未取代或取代的杂环基，未取代或取代的硅基，卤素原子，烷氧羰基，羧基或氰基，R5和R6表示未取代或取代的烷基，未取代或取代的烷氧基或未取代或取代的芳基。字母a、b、c和d分别表示0到3的整数。当存在多个R3、R4、R5和R6基团时，它们可以相同或不同。]