{Mn(CO)4(3,5-di-tert-butyl-1,2-semiquinone radical anion)} | 83970-82-5

• 英文名称: {Mn(CO)4(3,5-di-tert-butyl-1,2-semiquinone radical anion)}
• CAS: 83970-82-5
• 化学式: C₁₈H₂₀MnO₆
• 分子量: 387.291
• InChiKey: BBOCNIMCIFXIDF-UHFFFAOYSA-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

• 作为产物：
  描述：

  Bu4N{Mn(CO)3(3,5-di-tert-butyl-1,2-catecholate dianion)} 以 二氯甲烷 为溶剂， 生成 {Mn(CO)4(3,5-di-tert-butyl-1,2-semiquinone radical anion)}
  参考文献：
  名称：

  Hartl, František; Vlček Jr., Antonín, Inorganic Chemistry, 1991, vol. 30, # 15, p. 3048 - 3053

  摘要：

  DOI：

文献信息

• The mechanisms of the photochemical reactions of M2 (CO)10 (M = Mn, Re) with ortho- and para-quinones: a combined EPR and FTIR study
  作者：T. van der Graaf、D.J. Stufkens、J. Vichová、A. Vlček

  DOI：10.1016/0022-328x(91)86228-i

  日期：1991.1

  former species are stabilized by polar solvents. M(CO)5(p-SQ), M(CO)5(o-SQ), Mn(CO)3L2(p-SQ) (L=THF, py) and Re(CO)5-n(THF)n(p-SQ) have been identified as photoproducts by EPR and IR spectroscopy. The o-semiquinone complexes undergo a thermal or photochemical intramolecular substitution of CO by the second o-semiquinone oxygen atom, producing complexes that contain a chelating o-semiquinone radical anionic

  已经研究了在邻位和对位醌配位（THF，2-MeTHF，甲苯中的10 -1 M吡啶）和邻苯二酚和对苯醌存在下对M 2（CO）10（M = Mn，Re）的光解作用。在惰性（甲苯，CH 2氯2，2-氯丁烷）溶剂。为了比较，已经研究了对于M 2（CO）8（bpy'）（bpy'= 4,4'-二甲基-2,2'-联吡啶）的相同反应。EPR和FTIR技术均已用于监测各种条件下的光化学反应。已经建立了总体反应机制的综合图。两种主要光产物M（CO）5和M 2（CO）9被发现与醌反应。M（CO）5的氧化加成反应会生成不稳定的M（I）配合物，该配合物包含对-半醌（p -SQ）或单齿邻-半醌（o -SQ）配体。前一种物质被极性溶剂稳定。M（CO）5（p -SQ），M（CO）5（o -SQ），Mn（CO）3 L 2（p -SQ）（L = THF，py）和Re（CO）5- n（EPR和IR光谱已将THF）n（p -SQ
• o-Semiquinolate complexes of manganese and rhenium formed by interaction of decacarbonyls of these elements with hindered o-quinones
  作者：G.A. Abakumov、V.K. Cherkasov、K.G. Shalnova、I.A. Teplova、G.A. Razuvaev

  DOI：10.1016/s0022-328x(00)86907-7

  日期：1982.10

  sulfur-, and nitrogen-containing solvents, alkanes and aromatic hydrocarbons) and some donor ligands (triphenylphosphine, triphenylphosphite, cyclohexyl-isocyanide, triethylamine, cyclooctadiene) on ESR spectral parameters of manganese and rhenium o-semi-quinolate complexes formed in the reactions of Mn2(CO)10 and Re2(CO)10 with hindered o-quinones (3,5- and 3,6-di-tert-butylbenzoquinones-1,2, perchloroxantrenquinone-2

  不同溶剂的影响（氧，硫，和溶剂，链烷烃和芳族烃含氮）上的锰和铼ESR谱参数和一些供体配体（三苯基膦，亚磷酸三苯酯，环己基胩，三乙胺，环辛二烯）ø - Mn 2（CO）10和Re 2（CO）10与受阻邻醌（3,5-和3,6-二叔丁基苯醌-1,2，全氯氧蒽醌-2）的反应中形成的半喹诺酮配合物，ESR法已研究了（3，四氯苯醌-1，2）。
• Free radicals derived from 1,4-diaza-1,3-butadiene
  作者：Angelo Alberti、Andrew Hudson

  DOI：10.1016/0022-328x(83)85025-6

  日期：1983.6

  The paramagnetic adducts formed when photochemically generated Mn(CO)5 or Re(CO)5 radicals are trapped by N,Nt́-di-t-butyl-1,4-diaza-1,3-butadiene (t-Bu-DAB) have been characterized by ESR spectroscopy. Adducts containing phosphorus have also been observed but attempts to produce adducts containing As, Sb or Bi have been unsuccessful. In a number of systems an identical ESR spectrum was observed. This

  当光化学生成Mn（CO）5或Re（CO）5自由基时形成的顺磁加合物被N，Nt′-二叔丁基-1,4-二氮杂-1,3-丁二烯（t-Bu-DAB）捕获已通过ESR光谱表征。还观察到了含磷的加合物，但尝试生产含砷，锑或铋的加合物的尝试仍未成功。在许多系统中，观察到相同的ESR光谱。已经表明这是由N，N'-二叔丁基吡嗪鎓阳离子引起的。
• Spectroscopic characterization of some unstable ortho-semiquinone and ortho-quinone complexes of Mn(I) by variable-temperature thin-layer spectroelectrochemistry at optically transparent electrodes
  作者：F. Hartl

  DOI：10.1016/0020-1693(94)04395-c

  日期：1995.4

  Four carbonyl complexes of Mn-1 containing 3,5-di-tert.butyl-1,2-semiquinone (DBSQ) and 3,5-di-tert.butyl-1,2-benzoquinone (DBQ) ligands, the radicals [Mn(CO)(3)(L)(DBSQ)] and the cationic complexes [Mn(CO)(3)(L)(DBQ)](+) (L = H2O, PPh(3)), have been characterized for the first time by. UV-Vis spectroscopy. These compounds possess limited stability at room temperature with the exception of [Mn(CO)(3)(PPh(3))(DBSQ)] which thermally decomposes only in the presence of an excess of PPh(3). The o-(semi)quinone complexes under study were electrogenerated inside a recently developed low-temperature optically transparent thin-layer electrochemical (LT OTTLE) cell. The cell is ide ally suited far UV-Vis and IR transmission spectroelectrochemical experiments at variable temperatures and allows the study of secondary reactions of the redox products. At T = 223 K, the CO disproportionation reaction of the complexes containing the H2O ligand, decomposition of the tricarbonyl DBQ complexes, and even substitution of the axial CO ligand in [Mn(CO)(3)(PPh(3))(DBSQ)] by PPh(3) were fully inhibited. The UV-Vis spectra indicate that the observed thermal lability of the o-quinone complexes [Mn(CO)(4-n)(L)(n)(DBQ)](+) (n = 0, 1; L = H2O, PPh(3)) most likely originates from a considerably weaker pi-acceptor character of the DBQ ligand in these species than imposed in the stable, delocalized complex [Mn(CO)(2)(PPh(3))(2)(DBQ)](+).