Cr(CO)5(2-picoline) | 66179-00-8

• 英文名称: Cr(CO)5(2-picoline)
• CAS: 66179-00-8
• 化学式: C₁₁H₇CrNO₅
• 分子量: 285.176
• InChiKey: KZXSQOFGHZRGJM-UHFFFAOYSA-N

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

• 作为产物：
  描述：

  以 苯 为溶剂， 生成 Cr(CO)5(2-picoline)
  参考文献：
  名称：

  Gmelin Handbuch der Anorganischen Chemie, Gmelin Handbook: Cr: Org.Verb., 1.1.2.1.4.1, page 41 - 54

  摘要：

  DOI：

文献信息

• Dihydropyridines in Organometallic Synthesis. Formation of Pyridine and Dihydropyridine-Stabilized Alkylidene Complexes of Tungsten(0) and Chromium(0) from Fischer Carbene Complexes:  Structure and Reactivity
  作者：Henri Rudler、Max Audouin、Andrée Parlier、Blanca Martin-Vaca、Régis Goumont、Thomas Durand-Réville、Jacqueline Vaissermann

  DOI：10.1021/ja9622057

  日期：1996.1.1

  1,2- and 1,4-dihydropyridines react with alkoxycarbene complexes of chromium and tungsten to give, upon an unprecedented hydride transfer, alcohol elimination, and pyridine fixation on the carbene carbon, a new class of air-stable pyridinium ylide complexes. These pyridine-protected alkylidene complexes of chromium(0) and tungsten(0) were fully characterized by X-ray crystallography. In the case of

  1,2- 和 1,4- 二氢吡啶与铬和钨的烷氧基卡宾配合物反应，通过前所未有的氢化物转移、醇消除和吡啶固定在卡宾碳上，产生一类新的空气稳定的吡啶鎓叶立德配合物。这些吡啶保护的铬 (0) 和钨 (0) 亚烷基配合物通过 X 射线晶体学进行了充分表征。在 (CO)5WC(CH3)(OEt) (5a) 的情况下，除了吡啶鎓叶立德配合物 (CO)5W-−C(H)( )(吡啶)+ (7a) 外，二氢吡啶鎓配合物 (CO) 5W--C(H)( )(2,5-二氢吡啶)+(8a)也被分离。中间体钨酸盐 (CO)5W--C(H)( )(OEt)( NC5H5)+ 可以通过使用 N-甲基二氢吡啶作为还原剂很容易地获得和表征。而苯基取代的吡啶鎓配合物很容易将亚苄基部分转移到烯烃上，烷基取代的配合物似乎更不愿意进行这种转移：在亲核烯烃如烯醇醚的情况下观察到令人满意的结果。如何...
• Application of time-resolved photoacoustic calorimetry to CrL bond enthalpies in Cr(CO)5L
  作者：Gilbert K. Yang、Veronica Vaida、Kevin S. Peters

  DOI：10.1016/s0277-5387(00)81787-8

  日期：1988.1

  Using time-resolved photoacoustic calorimetry, the CrL bond enthalpies in Cr(CO)5L for a variety of ligands have been measured. Also, the enthalpy and entropy of activation for the displacement of heptane in Cr(CO)5(heptane) by pyridine and 2-picoline have been determined.

  使用时间分辨光声量热法，已测量了各种配体在Cr（CO）5L中的CrL键焓。此外，已经确定了吡啶和2-甲基吡啶取代Cr（CO）5（庚烷）中庚烷的活化焓和熵。
• Reactivity of the M-(η2-alkyne) bond [M=Cr, W]: A kinetic and DFT study
  作者：Bert H.G. Swennenhuis、G. Benjamin Cieslinski、Edward N. Brothers、Ashfaq A. Bengali

  DOI：10.1016/j.jorganchem.2010.01.014

  日期：2010.3

  The displacement of eta(2)-coordinated 1-hexyne and 3-hexyne by 2-picoline from the Cr(CO)(5), BzCr(CO)(2) and W(CO)(5) fragments was studied. For the Cr systems, the data is consistent with a dissociative mechanism of alkyne displacement from the metal center. For W(CO)(5)(eta(2)-1-hexyne), the alkyne displacement follows a largely associative mechanism. The bond dissociation enthalpies obtained from the kinetic analysis are in good agreement with the values obtained by detailed DFT calculations. The calculations indicate that the energy required for the steric reorganization of the alkyne ligand prior to binding with the metal is an important factor in the determination of the overall metal-(eta(2)-alkyne) bond strength. (C) 2010 Elsevier B.V. All rights reserved.
• Strohmeier, W.; Matthias, G.; Hobe, v. D., Zeitschrift fur Naturforschung, 1960, vol. 15b, p. 813 - 814
  作者：Strohmeier, W.、Matthias, G.、Hobe, v. D.

  DOI：——

  日期：——