1,8-diphenoxy-3,6-dioxaoctane | 53129-28-5

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 英文名称: 1,8-diphenoxy-3,6-dioxaoctane
• 英文别名: Benzene, 1,1'-[1,2-ethanediylbis(oxy-2,1-ethanediyloxy)]bis-；2-[2-(2-phenoxyethoxy)ethoxy]ethoxybenzene
• CAS: 53129-28-5
• 化学式: C₁₈H₂₂O₄
• 分子量: 302.37
• InChiKey: UJVWKSNORBRUEC-UHFFFAOYSA-N

物化性质

• 熔点：
  42 °C
• 沸点：
  240 °C(Press: 15 Torr)
• 密度：
  1.091±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  22
• 可旋转键数：
  11
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  36.9
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  1,8-diphenoxy-3,6-dioxaoctane 在 Rh/Al₂O₃ 氢气 作用下， 以 甲醇 为溶剂， 40.0 ℃ 、4.14 MPa 条件下， 反应 8.0h， 以90%的产率得到1,8-dicyclohexoxy-3,6-dioxaoctane
  参考文献：
  名称：

  Buchanan, G. W.; Moghimi, A.; Reynolds, V. M., Canadian Journal of Chemistry, 1995, vol. 73, # 4, p. 566 - 572

  摘要：

  DOI：
• 作为产物：
  描述：

  三乙二醇 在 吡啶 、 sodium hydroxide 、 氯化亚砜 作用下， 以 乙醇 、 水 为溶剂， 生成 1,8-diphenoxy-3,6-dioxaoctane
  参考文献：
  名称：

  Synthesis of podands bearing aromatic end groups and complex formation with tropylium tetrafluoroborate in 1,2-dichloroethane

  摘要：

  DOI：

  10.1002/(sici)1099-1395(199907)12:7<557::aid-poc155>3.0.co;2-t

文献信息

• Process for the preparation of cyclic esters and method for purification of the same
  申请人：——

  公开号：US20030191326A1

  公开（公告）日：2003-10-09

  The present invention provides a process for production of a cyclic ester by depolymerization of an aliphatic polyester. In the process, a mixture containing the aliphatic polyester and a specific polyalkylene glycol ether, which has a boiling point of 230-450° C. and a molecular weight of 150-450, is heated under normal or reduced pressure to a temperature at which depolymerization of the aliphatic polyester takes place. Then, a substantially homogeneous solution phase, consisting of the melt phase of the aliphatic polyester and the liquid phase of the polyalkylene glycol ether, is formed. Heating of the solution phase is continued to form the cyclic ester by depolymerization and distil out the cyclic ester together with the polyalkylene glycol ether, and then the cyclic ester is recovered from the distillate. The present invention also provides a process for purification of a crude cyclic ester by use of the specific polyalkylene glycol ether described above.

  本发明提供了一种通过脂肪族聚酯的降解来生产环酯的方法。在该过程中，将含有脂肪族聚酯和具有沸点在230-450°C和分子量在150-450之间的特定聚烷基乙二醇醚的混合物，在常压或减压下加热至脂肪族聚酯发生降解的温度。然后，形成由脂肪族聚酯的熔融相和聚烷基乙二醇醚的液相组成的基本均相溶液相。继续加热溶液相以通过降解形成环酯并与聚烷基乙二醇醚一起蒸馏出环酯，然后从馏出物中回收环酯。本发明还提供了一种利用上述特定聚烷基乙二醇醚对粗环酯进行纯化的方法。
• METHOD FOR PRODUCING a-HYDROXYCARBOXYLIC ACID DIMERIC CYCLIC ESTER
  申请人：Kureha Corporation

  公开号：US20190330175A1

  公开（公告）日：2019-10-31

  Provided is a method for producing a high purity α-hydroxycarboxylic acid dimeric cyclic ester while heavy-component formation from an α-hydroxycarboxylic acid oligomer is suppressed. An α-hydroxycarboxylic acid dimeric cyclic ester is obtained by performing a depolymerization reaction in the coexistence of an inorganic acid or an inorganic acid salt or a mixture thereof; and an organophosphorus compound.

  提供了一种制备高纯度α-羟基羧酸二聚环酯的方法，同时抑制从α-羟基羧酸寡聚体中形成重组分。通过在无机酸或无机酸盐或二者混合物的共存下进行解聚反应，并加入有机磷化合物，可以得到α-羟基羧酸二聚环酯。
• METHOD FOR PRODUCING CYCLIC ESTER
  申请人：Kureha Corporation

  公开号：US20200392102A1

  公开（公告）日：2020-12-17

  In a method for producing a cyclic ester according to an embodiment of the present invention, a mixture (I) containing an aliphatic polyester, a specific polyalkylene glycol diether, and a sulfonic acid compound as a thermal stabilizer is prepared and heated in predetermined conditions to obtain a mixture (II) in a state of solution. Furthermore, heating of the mixture (II) is continued to distill, together with the polyalkylene glycol diether, a cyclic ester formed by the depolymerization reaction, and thus a distillate (III) is obtained. The cyclic ester is recovered from the distillate (III). At this time, a specific solubilizing agent is added to at least one of the mixture (I) or (II). In this production method, the sulfonic acid compound as the thermal stabilizer is contained in the mixtures (I) and (II) and the distillate (III).

  根据本发明实施例的一种制备环酯的方法中，制备含有脂肪族聚酯、特定聚烷基醚二醇和磺酸化合物作为热稳定剂的混合物(I)，并在预定条件下加热，得到处于溶液状态的混合物(II)。此外，继续加热混合物(II)以蒸馏，与聚烷基醚二醇一起蒸馏出由去聚合反应形成的环酯，从而得到馏出物(III)。从馏出物(III)中回收环酯。此时，在混合物(I)或(II)中至少添加一种特定的溶解剂。在此生产方法中，磺酸化合物作为热稳定剂被包含在混合物(I)、(II)和馏出物(III)中。
• RESIST COMPOSITION AND PATTERN-FORMING METHOD USING SAME
  申请人：Kamimura Sou

  公开号：US20080241737A1

  公开（公告）日：2008-10-02

  A resist composition comprises (A) at least two kinds of resins each of which decomposes by the action of an acid to undergo an increase in its solubility for an alkali developer, wherein at least one kind of the resins (A) is a resin synthesized by living radical polymerization using a chain transfer agent represented by formula (I): wherein: A represents an organic group not containing hetero atoms; and Y represents an organic group capable of releasing a radical.

  一种抗蚀性组合物包括（A）至少两种树脂，每种树脂通过酸的作用分解，以增加其对碱性显影剂的溶解度，其中至少一种树脂（A）是通过使用由式（I）表示的链转移剂合成的活性自由基聚合树脂：其中：A代表不含杂原子的有机基团；Y代表能够释放自由基的有机基团。
• PROCESS FOR PREPARING POLYETHER ETHER KETONE MEMBRANE
  申请人：Asahi Kasei Kogyo Kabushiki Kaisha

  公开号：EP0796649A1

  公开（公告）日：1997-09-24

  The present invention is directed to a process for manufacturing a polyether ether ketone (PEEK) membrane which may be used for ultrafiltration or microfiltration at high temperatures. In this process for manufacturing a non-sulfonated PEEK membrane which comprises dissolving PEEK in a solvent to obtain a membrane forming stock solution, forming the stock solution into a desired shape and bringing the formed stock solution in contact with a coagulating liquid capable of coagulating PEEK, the key features involve using concentrated sulfuric acid as the solvent, dissolving PEEK therein to prepare the stock solution and keeping the stock solution at 15 degrees C or lower until initiation of membrane formation.

  本发明涉及一种聚醚醚酮（PEEK）膜的制造工艺，该膜可用于高温下的超滤或微滤。 在这种制造非磺化聚醚醚酮膜的工艺中，包括将聚醚醚酮溶解在溶剂中以获得膜形成的储备溶液，将储备溶液形成所需的形状，并使形成的储备溶液与能够使聚醚醚酮凝固的凝固液接触，其主要特征包括使用浓硫酸作为溶剂，在其中溶解聚醚醚酮以制备储备溶液，并将储备溶液保持在 15 摄氏度或更低的温度下，直到开始形成膜。