dichloro(2,6-bis[(2,4,6-trimethylphenylimino)ethyl]pyridine)iron(II) | 207129-94-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯
• 英文名称: dichloro(2,6-bis[(2,4,6-trimethylphenylimino)ethyl]pyridine)iron(II)
• 英文别名: (2,6-diacetylpyridinebis(2,4,6-trimethylanil))iron(II) dichloride；iron(II)(bis(2,4,6-Me3-phenyl-iminomethyl)pyridine)dichloride；[(2,6-(2,4,6-Me3C6H2N=CMe)2C5H3N)FeCl2]；2,6-diacetylpyridinebis(2,4,6-trimethylphenylimine)iron dichloride
• CAS: 207129-94-0
• 化学式: C₂₇H₃₁Cl₂FeN₃
• 分子量: 524.316
• InChiKey: PBORHZUNSPTCIL-VZFXNHKXSA-L

计算性质

• 辛醇/水分配系数(LogP)：
  None
• 重原子数：
  None
• 可旋转键数：
  None
• 环数：
  None
• sp3杂化的碳原子比例：
  None
• 拓扑面积：
  None
• 氢给体数：
  None
• 氢受体数：
  None

反应信息

• 作为反应物：
  描述：

  dichloro(2,6-bis[(2,4,6-trimethylphenylimino)ethyl]pyridine)iron(II) 在 NaBEt₃H or Na(Hg) 作用下， 以 甲苯 为溶剂， 以77%的产率得到iron(II)(bis(2,4,6-trimethylphenyl-iminomethyl)pyridine) monochloride
  参考文献：
  名称：

  Square planar bis(imino)pyridine iron halide and alkyl complexes

  摘要：

  通过对相应的二氯化亚铁进行还原烷基化，制备出了含有双（亚氨基）吡啶（PDI）配体的方形平面甲基铁络合物；在使用较大的烷基锂进行处理时，可观察到二烷基化现象。

  DOI：

  10.1039/b504063a
• 作为产物：
  描述：

  2,6-bis[1-(2,4,6-trimethylimino)ethyl]pyridine 、 iron(II) chloride 在 CH₃COOH 作用下， 以 乙醇 、 正丁醇 为溶剂， 生成 dichloro(2,6-bis[(2,4,6-trimethylphenylimino)ethyl]pyridine)iron(II)
  参考文献：
  名称：

  Novel olefin polymerization catalysts based on iron and cobalt

  摘要：

  一种基于含2,6-双(亚胺基)吡啶配体的铁和钴络合物的新型烯烃聚合催化剂系列被报道。

  DOI：

  10.1039/a801933i
• 作为试剂：
  描述：

  N-苄基-2-氨基苯乙烯 在 4-二甲氨基吡啶 、 manganese(IV) oxide 、 dichloro(2,6-bis[(2,4,6-trimethylphenylimino)ethyl]pyridine)iron(II) 、 乙基溴化镁 、 溶剂黄146 、 三乙胺 作用下， 以 四氢呋喃 、 乙醚 、 二氯甲烷 、 甲苯 为溶剂， 反应 19.0h， 生成 1-benzyl-2-phenyl-1H-indole-3-carbaldehyde
  参考文献：
  名称：

  水镁化作用下的铁催化还原环化：一种针对 N-杂环的模块化策略

  摘要：

  通过使用邻位还原环化制备各种N-杂环-乙烯基苯胺，据报道。该反应由廉价且稳定的铁络合物催化，通常在环境温度下发生。转化可能是通过乙烯基的水镁化作用进行的，并通过分子内亲电试剂捕获原位生成的苄基阴离子以形成杂环。这种铁催化的策略被证明具有广泛的适用性，并被用于合成取代的吲哚、羟吲哚和四氢苯并氮杂吲哚酮衍生物。机理研究表明，氢化物转移步骤的可逆性取决于束缚的亲电试剂的反应性。通过正式合成已报道的生物活性化合物和一系列天然产物，进一步证明了我们方法的合成效用。

  DOI：

  10.1002/anie.202106996

文献信息

• Protonolysis of Fe–C bonds of a diiminopyridineiron(II) dialkyl complex by acids of different strengths: Influence of monoanionic ligands on the spectroscopic properties of diiminopyiridine-FeY2 complexes
  作者：M. Ángeles Cartes、Pilar Palma、John J. Sandoval、Juan Cámpora、Eleuterio Álvarez

  DOI：10.1016/j.ica.2013.11.028

  日期：2014.3

  The reaction of the dialkyliron complex [Fe(CH2SiMe3)(2)(MesBIP)] ((BIP)-B-Mes = 2,6-bis((N-mesityl) acetimidoyl) pyridine) with protic acids (HY) of different strengths (Y = C6F5O, CF3CO2, Cl, CF3SO3) invariably leads to the cleavage of both Fe-C bonds, independent of the Fe/HY ratio used (either 1: 2 or 1: 1), affording the corresponding complexes [FeY2((BIP)-B-Mes)]. Relevant spectroscopic features of these compounds, such as paramagnetic H-1 NMR shifts and UV-Vis absorption bands, exhibit a marked dependence on the nature of Y. (C) 2013 Elsevier B. V. All rights reserved.
• Heterogenized iron(II) complexes as highly active ethene polymerization catalysts
  作者：Roland Schmidt、M.Bruce Welch、Syriac J Palackal、Helmut G Alt

  DOI：10.1016/s1381-1169(01)00333-8

  日期：2002.2

  The synthesis of new iron(Pi) diiminopyridine complexes and their heterogenization to give highly active ethene polymerization catalysts is described. The ligands are characterized by (HNMR)-H-1, (CNMR)-C-13 spectroscopy and GC/MS. The complexes are paramagnetic and were characterized by elemental analyses and mass spectrometry. The complexes were activated and heterogenized with a cocatalyst consisting of partially hydrolyzed trimethylaluminum (PHT) on silica gel and were used for ethene polymerization.The polymerization results and the polymer properties are presented. The influence of the catalyst structure, hydrogen and 1-hexene on the polymerization behavior is discussed. (C) 2002 Elsevier Science B.V. All rights reserved.
• One-Pot, One-Step Precatalysts through Mechanochemistry
  作者：Thomas E. Shaw、Logesh Mathivathanan、Titel Jurca

  DOI：10.1021/acs.organomet.9b00575

  日期：2019.11.11

  The development and implementation of transition-metal-based precatalysts have played crucial roles in modern organic synthesis. However, while the use of such species greatly improves sustainability, their preparative routes often rely on multiple time-, energy-, and solvent-intensive steps. By leveraging solvent-free mechanochemical synthesis through vibratory ball milling, we report the one-pot, one-step synthesis of a range of first-row transition-metal bis(imino)pyridine complexes, where both the ligand and coordination complex are assembled in situ. Bis(imino)pyridine complexes of the first-row transition metals have an extensive history of application as precatalysts for numerous bond-forming transformations. The method reported herein facilitates access to such species in a time-, solvent-, and space-saving manner which can easily be adapted to any laboratory setting regardless of prior experience with coordination complex synthesis.
• Studies on the activation and polymerization mechanism of ethylene polymerization catalyzed by bis(imino)pyridyl iron(II) precatalyst with alkylaluminum
  作者：Shibo Wang、Dongbing Liu、Rubin Huang、Yudong Zhang、Bingquan Mao

  DOI：10.1016/j.molcata.2005.09.023

  日期：2006.2

  Different alkylaluminums (triethyl-, tri-iso-butyl-, n-trihexylaluminum) were tested as activator for the iron complex LFeCl2 (1) (L=2,6-bis[(2,4,6-trimethylphenylimino)ethyl]pyridine) in ethylene polymerization. Various polymerization temperatures and the molar ratios of Al/Fe prepared polyethylene (PE) with different molecular weights, molecular weight distributions, polymerization activities and polyethylene structures. Through the analysis of in situ UV-vis absorption spectra, ethylene polymerization results and prepared polyethylene structures, the distinctive behaviors of the catalytic system could result from a new applicable mechanism involving two different kinds of catalytic species LFeRCl (a) and LFeR2 (b) (R = Et, i-Bu or He), the ratio of which varied with changing Al/Fe mole ratio when alkylaluminums were used as activators. The catalytic species (a) with very high activity mainly produced linear PE with high molecular weight in the bimodal PE. The catalytic species (b) with low activity mainly produced branched PE of low molecular weight in the bimodal PE. (c) 2005 Elsevier B.V. All rights reserved.