2,2'-diacetoxybiphenyl | 65594-67-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 2,2'-diacetoxybiphenyl
• 英文别名: [2-(2-acetyloxyphenyl)phenyl] acetate
• CAS: 65594-67-4
• 化学式: C₁₆H₁₄O₄
• 分子量: 270.285
• InChiKey: AXEUQWSHUARFGH-UHFFFAOYSA-N

物化性质

• 沸点：
  414.6±38.0 °C(Predicted)
• 密度：
  1.175±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  20
• 可旋转键数：
  5
• 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

• 作为反应物：
  描述：

  2,2'-diacetoxybiphenyl 在 硝酸 、 硝基苯 作用下， 生成 2,4,6,8-tetranitro-dibenzofuran
  参考文献：
  名称：

  van Alphen, Recueil des Travaux Chimiques des Pays-Bas, 1932, vol. 51, p. 715,720

  摘要：

  DOI：
• 作为产物：
  描述：

  二苯并呋喃 在 氢氧化钾 、 菲 作用下， 生成 2,2'-diacetoxybiphenyl
  参考文献：
  名称：

  Kraemer; Weissgerber, Chemische Berichte, 1901, vol. 34, p. 1665

  摘要：

  DOI：

文献信息

• Formation and reactivity of 1,3-benzodioxol-2-yl, 1,3-benzodioxan-2-yl, and related radicals. A search for an aromatic analog of the radical acetoxy rearrangement (Surzur–Tanner reaction)
  作者：Fereidoon Shahidi、Thomas T. Tidwell

  DOI：10.1139/v82-162

  日期：1982.5.1

  Reaction of the 1,3-dioxole, 9, the 1,3-dioxan, 18, and the 1,3-dioxepin, 29, with tert-butoxy radicals gave evidence in each case for formation of the corresponding 1,1-dioxyethyl radicals. No conclusive evidence for formation of any of these radicals by cyclization of acetoxyaryl radicals could be obtained. Several of the 1,1-dioxyethyl radicals reacted by rearrangement.

  1,3-二氧杂环戊烷（9）、1,3-二氧杂环己烷（18）和1,3-二氧杂环庚烷（29）与叔丁氧基自由基反应，在每种情况下都证明了相应1,1-二氧乙基自由基的形成。没有获得任何这些自由基是通过乙酰氧基芳基自由基环化形成的结论性证据。其中几种1,1-二氧乙基自由基通过重排反应。

• Studies on the Derivatives of Biphenylene Oxide. VII. The Influence of Substitution on the Opening and Closing of the Furan-ring of Biphenylene Oxide
  作者：Seishi Yamashiro

  DOI：10.1246/bcsj.17.10

  日期：1942.1

  removal of acetyl groups of those compounds and also the formation of the furan-ring. This facilitating effect varies with the relative position of the nitro group and the acetoxyl group, the order of the effect being ortho>para>meta; but the m-nitrosubstitution induces no ring-formation, giving exclusively nitrobiphenols. (ii) The introduction of bromine into the diacetoxydiphenyls hinders the removal

  (1) 比较了邻'，邻'-双酚及其硝基、溴硝基和溴代衍生物的取代对呋喃环形成的影响，以钡的干燥碳酸盐反应得到以下结果或钠和衍生自这些双酚的二乙酰氧基二苯基。(i) 将硝基引入二乙酰氧基二苯基有利于去除这些化合物的乙酰基以及形成呋喃环。这种促进作用随着硝基和乙酰氧基的相对位置而变化，作用顺序为邻>对>间；但间硝基取代不诱导成环，仅产生硝基双酚。(ii) 将溴引入二乙酰氧基二苯基会阻碍乙酰基的去除以及呋喃环的形成，没有得到溴化联苯醚。相对于乙酰氧基，这种效果在 o-取代的情况下比在 p-one 的情况下更显着......
• Oxygenation of biphenyl by the reagent system Fe(MeCN)62+-H2O2-Ac2O : An implication to the mechanism in mammalian metabolism.
  作者：Eiichi Kotani、Atsushi Midorikawa、Akira Tanaka、Seisho Tobinaga

  DOI：10.1248/cpb.35.916

  日期：——

  Oxygenation of biphenyl with Fe (MeCN) 2+6-H2O2-Ac2O, a model enzyme system for mono-oxygenase, was explored in connection with mammalian metabolism. The reaction yielded 2-and 4-acetoxy derivatives in a ratio of 2.5 : 1. The mechanism of this reaction may be a laboratory model explaining the biological mechanism whereby biphenyl is oxygenated by heme-containing mono-oxygenase.

  研究人员结合哺乳动物的新陈代谢，探讨了联苯与 Fe (MeCN) 2+6-H2O2-Ac2O 的氧合反应，Fe (MeCN) 2+6-H2O2-Ac2O 是单加氧酶的模型酶系统。反应生成的 2-乙酰氧基和 4-乙酰氧基衍生物的比例为 2.5:1。该反应的机理可能是解释联苯被含血红素的单加氧酶加氧的生物机理的实验室模型。
• Novel polyester polymers
  申请人：IDEMITSU KOSAN COMPANY LIMITED

  公开号：EP0252415A2

  公开（公告）日：1988-01-13

  Polyester polymers consisting essentially of repeating units having the formula repeating units having the formula repeating units having the formula and repeating units having the formula wherein Ar1 is selected from Ar2 is selected from halogen substituted radicals of these radicals, and wherein X is selected from -0-, -S-, -SOr, -CO-, wherein each n independently represents a member having a value of from 1 to 10, and each R4 is independently selected from alkyl radicals of 1 to 5 carbon atoms, and R2 and R3 are independently selected from hydrogen atom, halogen radicals, alkyl radicals of 1 to 5 carbon atoms, and phenyl radical, and R2 and R3 may be identical or different from. each other, and R1 is selected from halogen radicals and alkyl radicals of 1 to 5 carbon atoms, and wherein the polyester polymer has a reduced viscosity [ sp/c] of at least 0.2 dl/g as measured in p-chlorophenol at a concentration of 0.2 g/dl at 60 °C . Such polyester polymers are excellent in the mechanical strength and heat resistance and, therefore, are useful as various kinds of fibers, films, or engineering plastics. A process for preparing the polyester polymer and novel diimide-dicarboxylic acid to be used as a material in this process are also disclosed.

  主要由以下式子的重复单元组成的聚酯聚合物 式的重复单元 式的重复单元 和具有以下式子的重复单元 其中 Ar1 选自 Ar2 选自 这些基的卤素取代基，以及 其中 X 选自-0-、-S-、-SOr、-CO-、 其中每个 n 独立地代表数值为 1 至 10 的成员，每个 R4 独立地选自 1 至 5 个碳原子的烷基，以及 R2 和 R3 独立地选自氢原子、卤素基、1 至 5 个碳原子的烷基和苯基，且 R2 和 R3 可以相同或不同，以及 R1 选自卤素基和 1 至 5 个碳原子的烷基，其中聚酯聚合物的还原粘度[ sp/c] 至少为 0.2 dl/g，该粘度是在对氯苯酚浓度为 0.2 g/dl 时于 60 °C 测得的。 这种聚酯聚合物具有优异的机械强度和耐热性，因此可用作各种纤维、薄膜或工程塑料。此外，还公开了制备聚酯聚合物的工艺和在该工艺中用作材料的新型二亚胺二羧酸。
• Synthetic resin composition containing a polyarylate and a polyester
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：EP0261869A2

  公开（公告）日：1988-03-30

  A synthetic resin composition comprises 55 to 98 wt% of a polyarylate prepared from a mixture of isophthalic and terephthalic acids or a derivative of either (molar ratio 1:9 to 9:1) and a bisphenol of formula: wherein -X- is -O-, -SO₂-, -CO-, -S-, an alkylene group or an alkylidene group; R₁, R₂, R₃, R₄, Rʹ₁ , Rʹ₂ , Rʹ₃ and Rʹ₄ are each hydrogen, halogen or a hydrocarbon group, and 45 to 2 wt% of a heat-fusible wholly aromatic copolyester which is a thermotropic liquid crystal, of formula wherein d, e and f are each not zero but a positive integer that satisfies the conditions that d:e is 1.0 to 10.0 and e:f is 0.90 to 1.10; n is 0 or 1; and the substituents on each aromatic ring are para- or meta to one another. The two components are blended,e.g. by melt mixing. Additives can be included, such as fibers or fillers. The polyarylate-based resin composition of the invention can provide molded articles, films, or fibers having high strength and elastic modulus, good melt-flow characteristics, and high surface gloss.

  一种合成树脂组合物包含 55 至 98 wt%由间苯二甲酸和对苯二甲酸的混合物或二者的衍生物（摩尔比 1:9 至 9:1）和式中的双酚制备的聚芳酸酯： 其中-X-是-O-、-SO₂-、-CO-、-S-、亚烷基或亚烷基；R₁、R₂、R₃、R₄、Rʹ₁、Rʹ₂、Rʹ₃和Rʹ₄各自是氢、卤素或烃基、 和 45 至 2 wt%的热熔全芳香族共聚聚酯，它是热致性液晶，其式为 其中 d、e 和 f 均不为零，而是满足 d:e 为 1.0 至 10.0 和 e:f 为 0.90 至 1.10 条件的正整数；n 为 0 或 1；每个芳香环上的取代基互为对位或元对位。 通过熔融混合等方法将两种成分混合。 可加入添加剂，如纤维或填料。 本发明的聚芳酸酯基树脂组合物可以提供具有高强度和弹性模量、良好的熔体流动特性和高表面光泽度的成型制品、薄膜或纤维。