ethyl 2-(benzoyloxy)benzoate | 110519-56-7

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 缩酚酸和缩酚酸环醚类
• 英文名称: ethyl 2-(benzoyloxy)benzoate
• 英文别名: 2-benzoyloxy-benzoic acid ethyl ester；2-Benzoyloxy-benzoesaeure-aethylester；Benzoyl-salicylsaeure-aethylester；Benzoic acid, 2-(benzoyloxy)-, ethyl ester；ethyl 2-benzoyloxybenzoate
• CAS: 110519-56-7
• 化学式: C₁₆H₁₄O₄
• 分子量: 270.285
• InChiKey: DYUMTASZJHGOHU-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  20
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.12
• 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：

  水杨酸乙酯 在 甲苯 作用下， 生成 ethyl 2-(benzoyloxy)benzoate
  参考文献：
  名称：

  Freer, Journal fur praktische Chemie (Leipzig 1954), 1893, vol. <2> 47, p. 240,242

  摘要：

  DOI：

文献信息

• Catalyst composition and process for polymerizing olefins
  申请人：MITSUI PETROCHEMICAL INDUSTRIES, LTD.

  公开号：EP0086645A2

  公开（公告）日：1983-08-24

  A process for producing an olefin polymer or copolymer which comprises polymerizing or copolymerizing olefins or copolymerizing an olefin with up to 5 mole% of a diolefin in the presence of a catalyst comprising a titanium catalyst component containing magnesium, titanium, halogen and an electron donor, an organoaluminum catalyst component and a third catalyst component, characterized in that said catalyst is composed of (A) a titanium catalyst component containing magnesium, titanium, halogen and an electron donor as essential ingredients, said electron donor being selected from the group consisting of (a) esters of polyfunctional compounds selected from polycarboxylic acids having 5 to 36 carbon atoms, polyhydroxy compounds having 6 to 28 carbon atoms and hydroxy-substituted carboxylic acids having 10 to 28 carbon atoms, (b) monocarboxylic acid esters of the formula RCOOR' in which each of R and R' represents a hydrocarbyl group having 1 to 20 carbon atoms, and at least one of them represents a branched-chain group, an alicyclic group, or an aryl ring-containing linear group, and (c) carbonic acid esters having 6 to 18 carbon atoms, (B) an organoaluminum compound, and (C) a substituted methylenediamine compound as a third component; and a catalyst composition used therefor.

  一种生产烯烃聚合物或共聚物的工艺，包括在催化剂存在下，使烯烃聚合或共聚，或使烯烃与不超过 5 摩尔%的二烯烃共聚，催化剂包括含镁、钛、卤素和电子供体的钛催化剂组分、有机铝催化剂组分和第三种催化剂组分，其特征在于所述催化剂由以下组分组成 (A) 以镁、钛、卤素和电子供体为基本成分的钛催化剂组分，所述电子供体选自以下 组别 (a) 选自具有 5 至 36 个碳原子的多羧酸、具有 6 至 28 个碳原子的多羟基化合物和 具有 10 至 28 个碳原子的羟基取代羧酸的多官能化合物的酯、 (b) 式 RCOOR'的单羧酸酯，其中每个 R 和 R'代表具有 1 至 20 个碳原子 的烃基，且至少有一个代表支链基、脂环基或含芳基环的线性基， 以及 (c) 具有 6 至 18 个碳原子的碳酸酯、 (B) 有机铝化合物，以及 (C) 作为第三组分的取代亚甲基二胺化合物； 以及用于其中的催化剂组合物。
• Catalyst components and catalysts for the polymerization of olefins
  申请人：Montedison S.p.A.

  公开号：EP0106141A1

  公开（公告）日：1984-04-25

  Catalyst components for the stereoregular polymerization of alpha-olefins, comprising a Ti halide and an electron-donor compound supported on an anhydrous magnesium dihalide and obtained by means of non-extractive treatments, with liquids having a dielectric constant at 20 °C equal to or higher than 2, of compositions comprising an anhydrous Mg dihalide, the crystallites of which have an average size lower than 300 A.

  用于α-烯烃立体聚合的催化剂组分，包括支撑在无水二卤化镁上的卤化钛和电子供体化合物，并通过非萃取处理获得，其液体在 20 °C 时的介电常数等于或大于 2，其成分包括无水二卤化镁，其晶体的平均尺寸小于 300 A。
• Catalysts for the polymerization of olefins
  申请人：Himont Incorporated

  公开号：EP0179303A1

  公开（公告）日：1986-04-30

  Supported components (component (c)) and the corresponding catalysts for polymerizing olefins, comprising the product of the reaction among : (a) a metallorganic AI compound; (b) an electron-donor compound reactive towards MgCl2 but not capable of forming complexes with AIEt3 in standard conditions; (c) a solid including a halogenated tetravalent titanium compound and an electron-donor compound, supported on titanium trichloride or tribromide or on vanadium trichloride or tribromide having a surface area of at least 100m2/g. the electron-donor compound being characterized in that it is extractable with AlEt3 (under standard conditions) for at least 70% by moles.

  用于聚合烯烃的支撑组分（组分(c)）和相应催化剂，包括下列物质的反应产物：(a) 金属有机 AI 化合物；(b) 对 MgCl2 反应但在标准条件下不能与 AIEt3 形成络合物的电子供体化合物；(c) 一种固体，包括卤代四价钛化合物和电子供体化合物，支撑在三氯化钛或三溴化钛上，或支撑在三氯化钒或三溴化钒上，其表面积至少为 100 平方米/克。 电子供体化合物的特征在于，它可被 AlEt3（在标准条件下）萃取至少 70%（摩尔）。
• PROCESS FOR PRODUCING POLYCARBONATE RESIN
  申请人：TEIJIN LIMITED

  公开号：EP0976772A1

  公开（公告）日：2000-02-02

  The purpose of this invention is to produce a stabilized terminal-blocked polycarbonate resin with a limited number of the terminal hydroxy groups having excellent thermal stability, color stability and hydrolysis resistance by an industrially advantageous method using a terminal blocking agent. In the production of a polycarbonate by the melt-polycondensation of an aromatic dihydroxy compound with an aromatic carbonic acid diester in the presence of a polycondensation catalyst, a terminal blocking agent expressed by the following formula (1) [in the formula, R1 is chlorine atom, methoxycarbonyl group or ethoxycarbonyl group; R2 is an alkyl group having a carbon number of 1 to 30, an alkoxy group having a carbon number of 1 to 30, an aryl group having a carbon number of 6 to 30 or an aryloxy group having a carbon number of 6-30] is added after the melt-polycondensation to the system in an amount of 0.3 to 4 mol-equivalent based on the hydroxy terminal group amount of the polycarbonate at 200 to 350°C under a pressure of 1,013 hPa (760 mmHg) or below for 0.1 second or longer and, thereafter, a stabilizer is added and kneaded into the system at 200 to 350°C under a pressure of 1.333 × 105 hPa (105 mmHg) or below for 0.1 second or longer.

  本发明的目的是通过一种具有工业优势的方法，使用一种末端封端剂，生产一种稳定的末端封端聚碳酸酯树脂，该树脂具有数量有限的末端羟基，具有优异的热稳定性、颜色稳定性和耐水解性。 在缩聚催化剂存在下，通过芳香族二羟基化合物与芳香族碳酸二酯的熔融缩聚反应生产聚碳酸酯时，使用下式（1）表示的末端封端剂 [式中，R1 为氯原子、甲氧基羰基或乙氧基羰基；R2 为碳原子数为 1 至 30 的烷基、碳原子数为 1 至 30 的烷氧基、碳原子数为 6 至 30 的芳基或碳原子数为 6 至 30 的芳氧基]在熔融缩聚后加入到体系中，加入量为 0.在 200 至 350°C、1,013 hPa（760 mmHg）或以下的压力下，在 0.1 秒或更长的时间内，以聚碳酸酯的羟基末端基团量为基准，添加 3 至 4 摩尔当量的稳定剂，然后在 200 至 350°C、1.333 × 105 hPa（105 mmHg）或以下的压力下，在 0.1 秒或更长的时间内，将稳定剂加入并捏合到体系中。
• STABILIZED AROMATIC POLYCARBONATE
  申请人：TEIJIN LIMITED

  公开号：EP0985696A1

  公开（公告）日：2000-03-15

  The relative intensity of fluorescent light of a melt-polycondensed aromatic polycarbonate produced by the transesterification process (melt polymerization process) of an aromatic dihydroxy compound and a carbonic acid diester in the presence of a catalyst comprising a basic nitrogen compound and/or a basic phosphorus compound in combination with an alkali metal compound is suppressed to 4.0×10-3 or below at a wavelength of 465 nm based on a standard substance in a fluorescent light spectrum obtained by the excitation wavelength of 320 nm. An aromatic polycarbonate having good color stability, especially good stability to the deterioration of the chip color during storage of the chip in air at room temperature can be produced by the present invention..

  通过芳香族二羟基化合物和碳酸二酯在由碱性氮化合物和/或碱性磷化合物与碱金属化合物组合而成的催化剂存在下的酯化过程（熔融聚合过程）制得的熔融聚合芳香族聚碳酸酯，其荧光的相对强度在波长465 nm处被抑制到4.0×10-3或以下，该波长是基于由320 nm激发波长获得的荧光光谱中的标准物质。 通过本发明可以生产出一种具有良好颜色稳定性的芳香族聚碳酸酯，特别是在室温空气中储存芯片时对芯片颜色劣化具有良好的稳定性。