1,3-Alternate calix[4]arene nitronyl nitroxide tetraradical and diradical: synthesis, X-ray crystallography, paramagnetic NMR spectroscopy, EPR spectroscopy, and magnetic studies
作者: Andrzej RajcaMaren PinkSumit MukherjeeSuchada RajcaKausik Das
作者单位: 1Department of Chemistry, University of Nebraska, Lincoln, NE 68588-0304, USA
2Department of Chemistry, Indiana University, Bloomington, IN 47405-7102, USA
刊名: Tetrahedron, 2007, Vol.63 (44), pp.10731-10742
来源数据库: Elsevier Journal
DOI: 10.1016/j.tet.2007.07.051
关键词: CalixareneNitroxideDiradicalTetraradicalMagnetic propertiesParamagnetic NMR spectroscopy
英文摘要: Abstract(#br)Calix[4]arenes constrained to 1,3-alternate conformation and functionalized at the upper rim with four and two nitronyl nitroxides have been synthesized, and characterized by X-ray crystallography, magnetic resonance (EPR and 1 H NMR) spectroscopy, and magnetic studies. Such calix[4]arene tetraradicals and diradicals provide scaffolds for through-bond and through-space intramolecular exchange couplings.
全文获取路径: Elsevier  (合作)
影响因子:2.803 (2012)

  • diradical 双游离基
  • calix 肾盏
  • arene 粗砂
  • nitroxide 硝基氧
  • synthesis 合成
  • paramagnetic 顺磁性的
  • NMR N-Modular Redundancy
  • spectroscopy 分光学
  • EPR Error Pattern Register