3-(2,3,4,5,6-pentafluorophenyl)pyrrole

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯
• 英文名称: 3-(2,3,4,5,6-pentafluorophenyl)pyrrole
• 英文别名: 3-(perfluorophenyl)-1H-pyrrole；3-pentafluorophenylpyrrole；Hpyr(C6F5)；3-(2,3,4,5,6-pentafluorophenyl)-1H-pyrrole
• 化学式: C₁₀H₄F₅N
• 分子量: 233.14
• InChiKey: SAMSJNXLJXFOKW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  16
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  15.8
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  tetrakis(dimethylamido)titanium(IV) 、 3-(2,3,4,5,6-pentafluorophenyl)pyrrole 以 乙醚 为溶剂， 以0%的产率得到dimethylaminebis(dimethylamido)bis(3-(perfluorophenyl)pyrrole(-1H))titanium(IV)
  参考文献：
  名称：

  3-芳基取代的吡咯基和二吡咯基甲烷钛（iv）配合物的合成和加氢催化†

  摘要：

  使用铱催化的硼酸酯化/ Suzuki-Miyaura偶联序列，可以得到多个3-芳基-吡咯。另外，合成了掺入这些3-芳基吡咯的二吡咯基甲烷。使用单齿吡咯基Ti（NMe 2）2（HNMe 2）（pyr 3,5-CF3）2（1）和2,4-二芳基吡咯基络合物Ti（NMe 2）3（pyr Ar / Ar'）（2）进行了制备并进行了结构表征。带有新的二吡咯基甲烷配体Ti（NMe 2）2（NHMe 2）（dpm 3,5-CF3）的钛物种（3）和Ti（NMe 2）2（NHMe 2）（dpm F3）（4）也生成。在具有3和4的拟一级反应条件下的动力学表明，它们比没有吸电子芳基的母体衍生物具有更大的活性。

  DOI：

  10.1039/c1dt10127g
• 作为产物：
  描述：

  1-BOC-吡咯-3-硼酸频那醇酯 、 溴五氟苯 在 potassium phosphate 、 四(三苯基膦)钯 作用下， 以 乙二醇二甲醚 为溶剂， 反应 192.0h， 以53%的产率得到3-(2,3,4,5,6-pentafluorophenyl)pyrrole
  参考文献：
  名称：

  3-芳基取代的吡咯基和二吡咯基甲烷钛（iv）配合物的合成和加氢催化†

  摘要：

  使用铱催化的硼酸酯化/ Suzuki-Miyaura偶联序列，可以得到多个3-芳基-吡咯。另外，合成了掺入这些3-芳基吡咯的二吡咯基甲烷。使用单齿吡咯基Ti（NMe 2）2（HNMe 2）（pyr 3,5-CF3）2（1）和2,4-二芳基吡咯基络合物Ti（NMe 2）3（pyr Ar / Ar'）（2）进行了制备并进行了结构表征。带有新的二吡咯基甲烷配体Ti（NMe 2）2（NHMe 2）（dpm 3,5-CF3）的钛物种（3）和Ti（NMe 2）2（NHMe 2）（dpm F3）（4）也生成。在具有3和4的拟一级反应条件下的动力学表明，它们比没有吸电子芳基的母体衍生物具有更大的活性。

  DOI：

  10.1039/c1dt10127g

文献信息

• Novel imino-amide catalysts for olefin polymerization
  申请人：Murray Eugene Rex

  公开号：US20050187362A1

  公开（公告）日：2005-08-25

  The present invention provides a catalyst precursor, a catalyst system comprising the precursor, and a polymerization method using the catalyst system, an embodiment of the precursor is selected from the following structures: wherein T is a bridging group; M is selected from Groups 3 to 13 atoms, and the Lanthanide series of atoms the Periodic Table of the Elements; Z is a coordination ligand; each L is a monovalent, bivalent, or trivalent anionic ligand; X and Y are each independently selected from nitrogen, oxygen, sulfur, and phosphorus; each R can be the same or different and is a bulky substituent that is sterically hindering with respect to X and Y.

  本发明提供了一个催化剂前体，包括该前体的催化剂系统以及使用该催化剂系统的聚合方法，前体的实施例从以下结构中选择： 其中T是桥接基团；M选自元素周期表的3到13族原子和镧系元素；Z是配位配体；每个L是单价、二价或三价的阴离子配体；X和Y各自独立地选自氮、氧、硫和磷；每个R可以相同也可以不同，是与X和Y相对于空间位阻较大的笨重取代基。
• Supported activator
  申请人：Casty L. Gary

  公开号：US20050148743A1

  公开（公告）日：2005-07-07

  This invention relates to supported activators comprising the product of the combination of an ion-exchange layered silicate, an organoaluminum compound, and a heterocyclic compound, which may be substituted or unsubstituted. This invention further relates to catalyst systems comprising catalyst compounds and such activators, as well as processes to polymerize unsaturated monomers using the supported activators. For the purposes of this patent specification and the claims thereto, the term “activator” is used interchangeably with the term “co-catalyst”, the term “catalyst” refers to a metal compound that when combined with an activator polymerizes olefins, and the term “catalyst system” refers to the combination of a catalyst and an activator with or without a support. The terms “support” or “carrier”, for purposes of this patent specification, are used interchangeably and are any ion-exchange layered silicates.

  本发明涉及由离子交换层状硅酸盐、有机铝化合物和杂环化合物的组合产物组成的支持活化剂，这些杂环化合物可以是取代或未取代的。本发明还涉及催化剂体系，包括催化剂化合物和这样的活化剂，以及使用支持活化剂聚合不饱和单体的过程。在本专利规范和其权利要求中，术语“活化剂”与“共催化剂”可互换使用，术语“催化剂”指与活化剂结合时聚合烯烃的金属化合物，术语“催化剂体系”指催化剂和活化剂的组合，带或不带支持。在本专利规范中，术语“支持物”或“载体”可互换使用，是任何离子交换层状硅酸盐。
• Polymerization process using a metallocene catalyst system
  申请人：——

  公开号：US20030236364A1

  公开（公告）日：2003-12-25

  Provided is a process for polymerizing olefins in the presence of a metallocene catalyst compound having at least one fluoride or fluorine containing leaving group. More particularly, the present invention is directed to a process and catalyst composition having improved reactor performance, reducing or eliminating the need for anti-fouling additives to the catalyst composition and/or the reactor. In one embodiment, the invention is a process of polymerizing olefins comprising contacting ethylene and at least one comonomer with a supported catalyst system comprising a metallocene catalyst compound, the metallocene catalyst compound comprising at least one fluoride ion or fluorine containing leaving group; and wherein the supported catalyst system comprises an inorganic oxide support having an average particle size of from 35 &mgr;m or less and a pore volume of from 1 to 2 cm 3 /g. The polymer product resulting therefrom is, in one embodiment, a copolymer having a density in the range of from 0.910 g/cm 3 to 0.940 g/cm 3 ; a molecular weight distribution of from 1.8 to 4; and an I 2 of from 0.1 dg/min to 10 dg/min and is suitable for such articles as films.

  本发明提供了一种在含有至少一个氟化物或含氟离去基团的金属茂嗪催化剂化合物存在下聚合烯烃的方法。更具体地说，本发明涉及一种具有改进反应器性能的工艺和催化剂组成物，减少或消除了对催化剂组成物和/或反应器的防污添加剂的需求。在一种实施例中，本发明涉及一种聚合烯烃的工艺，包括将乙烯和至少一种共聚单体与支持的催化剂体系接触，所述支持的催化剂体系包括一种金属茂嗪催化剂化合物，所述金属茂嗪催化剂化合物包括至少一个氟化物离子或含氟离去基团；所述支持的催化剂体系包括平均粒径小于35μm和孔体积为1至2 cm3/g的无机氧化物支撑物。在一种实施例中，由此得到的聚合物产品是一种共聚物，其密度在0.910 g/cm3至0.940 g/cm3范围内；分子量分布在1.8至4之间；I2在0.1 dg/min至10 dg/min之间，适用于如薄膜等制品。
• Articles having improved clarity, prepared from propylene-ethylene copolymers
  申请人：FINA TECHNOLOGY, INC.

  公开号：US10428166B2

  公开（公告）日：2019-10-01

  Molded articles are prepared from propylene-ethylene copolymers and exhibiting improved clarity and strength properties. Articles prepared include bottles and other thin-walled articles. The articles are prepared using an isotactic propylene-ethylene random copolymer resin having an ethylene content of from about 0.5 to about 3 percent by total weight of copolymer, with a xylene solubles content of less than about 1.5 percent. The injection molded article may exhibit less than about 20 percent haze, as determined by ASTM D1003, at a thickness of about 0.08 inch (2.03 mm). Articles may also be prepared from similar copolymers having an ethylene content greater than about 3 percent by total weight of copolymer, with a xylene solubles content of less than about 4 percent by total weight of copolymer. These articles may exhibit less than about 13 percent haze, as determined by ASTM D1003, at a thickness of about 0.08 inch (2.03 mm).

  用丙烯-乙烯共聚物制备的模塑制品具有更好的透明度和强度特性。制备的物品包括瓶子和其他薄壁物品。制备这些制品使用的异构丙烯-乙烯无规共聚物树脂的乙烯含量约为共聚物总重量的 0.5% 至 3%，二甲苯溶解物含量低于约 1.5%。经 ASTM D1003 测定，在厚度约为 0.08 英寸（2.03 毫米）时，注塑制品的雾度可小于约 20%。也可以用类似的共聚物制备制品，其乙烯含量大于共聚物总重量的约 3%，二甲苯溶解物含量小于共聚物总重量的约 4%。经 ASTM D1003 测定，在厚度约为 0.08 英寸（2.03 毫米）时，这些产品的雾度可小于约 13%。
• Polymerization process using bridged metallocene compounds supported on organoaluminum treated layered silicate supports
  申请人：ExxonMobil Chemical Patents Inc.

  公开号：US10351647B2

  公开（公告）日：2019-07-16

  This invention relates to a process to polymerize olefins by contacting one or more olefins with a catalyst system comprising an organoaluminum treated layered silicate support, and a bridged metallocene compound and obtaining a polyolefin having a g′vis of 0.90 or more and an MIR of 30 or less.

  本发明涉及一种聚合烯烃的工艺，方法是将一种或多种烯烃与由有机铝处理过的层状硅酸盐载体和桥联茂金属化合物组成的催化剂体系接触，得到一种聚烯烃，其g′vis大于或等于0.90，MIR小于或等于30。