2,5-dimethylpyrrolyl potassium | 55166-65-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯
• 英文名称: 2,5-dimethylpyrrolyl potassium
• 英文别名: potassium 2,5-dimethyl-1-pyrrolide；potassium 2,5-dimethyl-1-pyrrolyl；potassium 2,5-dimethylpyrrolide；2,5-dimethyl-pyrrole; potassium salt；Potassium;2,5-dimethylpyrrol-1-ide
• CAS: 55166-65-9
• 化学式: C₆H₈N*K
• 分子量: 133.235
• InChiKey: UNNALYHKSWAHKE-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1.74
• 重原子数：
  8
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  1
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  4-氯吡啶 、 2,5-dimethylpyrrolyl potassium 在 2,4'-二吡啶 作用下， 以 氨 为溶剂， 以40%的产率得到4-(2,5-Dimethyl-1H-pyrrol-3-yl)-pyridine
  参考文献：
  名称：

  吡咯阴离子作为亲核试剂在电化学诱导的S RN 1反应中的应用

  摘要：

  在S RN 1条件下检查了不同芳基对吡咯阴离子的反应性。耦合速率常数通过循环伏安法测定。使用氧化还原介体进行相应的电解。

  DOI：

  10.1016/0040-4039(91)80768-2

文献信息

• Exploring the coordination modes of pyrrolyl ligands in bis(imido) uranium(vi) complexes
  作者：Douglas L. Swartz II、Liam P. Spencer、Brian L. Scott、Aaron L. Odom、James M. Boncella

  DOI：10.1039/c002440f

  日期：——

  The preparation of a family of bis(imido) uranium(VI) complexes stabilized by mono- and bidentate pyrrolyl ancillary ligands is described. X-ray crystallographic studies of dipyrrolylmethane (dpm) derivatives show that the pyrrolyl coordination mode in these uranium(VI) ions is unexpected in comparison to analogous transition metal and lanthanide chemistry. The ability of the coordinated pyrrolyl moieties to undergo pyrrolyl isomerization has also been explored and demonstrates reactivity that is unique from structurally similar uranium(VI)-bis(cyclopentadienyl) derivatives.

  本文描述了一类由单齿和双齿吡咯辅助配体稳定的双（咪唑）铀（VI）络合物的制备。对二吡咯基甲烷（dpm）衍生物的X射线晶体学研究表明，这些铀（VI）离子的吡咯配位方式与类似的过渡金属和镧系元素化学相比是意外的。还探讨了配位的吡咯基团进行吡咯异构化的能力，显示出与结构类似的铀（VI）-双（环戊二烯基）衍生物不同的独特反应性。
• Syntheses and Structures of a Class of Bridged Bis(Amidinate)s and Derivatives
  作者：Fen-Hua Wang、Song Wang、Jiang-Sheng Huang、Jun Zhang、Chun-Mei Ding

  DOI：10.3184/174751918x15260497205682

  日期：2018.6

  pyrrolyl potassium afforded the corresponding derivatives. Their structures were characterised by NMR and HRMS, and some products were further characterised by X-ray crystal structure analysis. It was found that the locations of the hydrogen atoms within the two amidine fragments vary. The structures showed that in the phenylene-linked bis(amidinate)s, the hydrogen atoms were attached to different nitrogen

  已经制备了一系列不同类型的“桥”连接双（脒）。各种连接的二胺与新戊酰氯的反应以非常高的产率产生相应的二酰胺。二酰胺向二亚胺氯化物的转化是在 CH2Cl2 中用 PCl5 实现的。二亚胺氯化物与苯胺或叔丁胺的反应以良好的收率产生双(脒)，而与吡咯钠或2,5-二甲基吡咯钾反应提供相应的衍生物。它们的结构通过NMR和HRMS表征，部分产物通过X射线晶体结构分析进一步表征。发现两个脒片段中氢原子的位置不同。结构表明，在亚苯基连接的双（脒）中，
• PRODUCTION METHOD OF ALPHA-OLEFIN LOW POLYMER
  申请人：Emoto Hiroki

  公开号：US20090326297A1

  公开（公告）日：2009-12-31

  The object of the present invention is to provide a production method of an α-olefin low polymer, wherein a low polymer of an α-olefin is obtained in high yield. The present invention relates to that when an inert gas is allowed to exist in a gas phase part of a reactor 10 in the proportion of from 0.010 to 50.00% by volume, and an α-olefin is subjected to low polymerization reaction in a solvent in the presence of a chromium series catalyst comprising a chromium compound (a), at lest one nitrogen-containing compound (b) selected from the group consisting of an amine, an amide and an imide, and an aluminum-containing compound (c), an unreacted α-olefin and the solvent separated from a reaction liquid are circulated into the reactor 10 , and where the proportion of the inert gas in the gas phase exceeds 50.00% by volume, the inert gas is discharged outside the reaction system from a gas phase part of the reactor 10 and/or a circulation piping 21 of an unreacted α-olefin.

  本发明的目的是提供一种α-烯烃低聚物的生产方法，其中通过高产率获得α-烯烃的低聚物。本发明涉及当在反应器10的气相部分中允许存在惰性气体的体积比为0.010至50.00%时，在存在包括铬化合物（a）、至少一种从胺、酰胺和亚胺组成的氮含量化合物（b）以及含铝化合物（c）的铬系催化剂的情况下，将α-烯烃在溶剂中进行低聚合反应，未反应的α-烯烃和从反应液中分离的溶剂循环进入反应器10，当气相中惰性气体的比例超过50.00%时，将惰性气体从反应器10的气相部分和/或未反应的α-烯烃的循环管道21中排出到反应系统外。
• PROCESS FOR PRODUCTION OF -OLEFIN LOW POLYMERS
  申请人：Mitsubishi Chemical Corporation

  公开号：EP2098542A1

  公开（公告）日：2009-09-09

  The object of the present invention is to provide a production method of an α-olefin low polymer, wherein a low polymer of an α-olefin is obtained in high yield. The present invention relates to that when an inert gas is allowed to exist in a gas phase part of a reactor 10 in the proportion of from 0.010 to 50.00% by volume, and an α-olefin is subjected to low polymerization reaction in a solvent in the presence of a chromium series catalyst comprising a chromium compound (a), at lest one nitrogen-containing compound (b) selected from the group consisting of an amine, an amide and an imide, and an aluminum-containing compound (c), an unreacted α-olefin and the solvent separated from a reaction liquid are circulated into the reactor 10, and where the proportion of the inert gas in the gas phase exceeds 50.00% by volume, the inert gas is discharged outside the reaction system from a gas phase part of the reactor 10 and/or a circulation piping 21 of an unreacted α-olefin.

  本发明的目的是提供一种α-烯烃低聚物的生产方法，其中可以高产率获得α-烯烃的低聚物。本发明涉及当惰性气体以 0.010 至 50.00%(体积)的惰性气体存在于反应器 10 的气相部分中时，α-烯烃在由铬化合物(a)、至少一种从胺、酰胺和亚胺组成的组中选出的含氮化合物(b)和含铝化合物(c)组成的铬系列催化剂存在下在溶剂中进行低聚合反应，未反应的α-烯烃和从反应液中分离出来的溶剂被循环到反应器 10 中，且气相中惰性气体的比例超过 50.00%（体积比）时，惰性气体从反应器10的气相部分和/或未反应的α-烯烃的循环管道21排出反应系统外。
• PROCESS FOR PRODUCTION OF POLYOLEFINS, POLYOLEFINS, AND 1-HEXENE TO BE USED AS RAW MATERIAL IN PRODUCING LINEAR LOW-DENSITY POLYETHYLENE
  申请人：Mitsubishi Chemical Corporation

  公开号：EP2098543A1

  公开（公告）日：2009-09-09

  The object of the present invention is to provide a production method of a polyolefin, in which catalyst activity is improved, and a polyolefin such as a linear low density polyethylene can industrially be advantageously produced. The present invention relates to a production method of a polyolefin, in which in producing a polyolefin by polymerization reaction of an olefin using a catalyst, an organohalide is present in a reaction system in an amount of from 0.05 to 10 ppm by weight in terms of a halogen atom as a concentration in a raw material polyolefin, and 1-hexene for linear low density polyethylene production raw material, containing an organohalide in an amount of from 0.05 to 10 ppm by weight in terms of a halogen atom.

  本发明的目的是提供一种聚烯烃的生产方法，在这种方法中，催化剂的活性得到了改 善，线性低密度聚乙烯等聚烯烃可以有利地工业化生产。本发明涉及一种聚烯烃的生产方法，在使用催化剂通过烯烃的聚合反应生产聚烯烃的过程中，有机卤化物在反应体系中的含量为 0.05 至 10 ppm（以卤素原子的重量计），作为聚烯烃原料的浓度，1-己烯作为线性低密度聚乙烯的生产原料，含有的有机卤化物的含量为 0.05 至 10 ppm（以卤素原子的重量计）。