36321-91-2Relevant academic research and scientific papers
Solvatochromic Shift of Aromatic Ketyl Anions due to Hydrogen Bonding
Ichikawa, Tsuneki,Ueda, Ken-ichi,Yoshida, Hiroshi
, p. 2695 - 2699 (1991)
The electronic spectra of fluorenone radical anions generated by γ-irradiation at 77 K in glassy matrices of ethanol and ethanol-2-methyltetrahydrofuran mixtures have been measured for elucidating the mechanism of the spectral change due to solvation of the radical anions by alcohols.Three kinds of the radical anions are generated in the mixed solvent: the radical anions without hydrogen bond (ε=1.05*104dm3mol-1cm-1 at λmax=568 nm), with one ethanol molecule (ε=0.67*104dm3mol-1cm-1 at λ=529 nm) and two ethanol molecules (ε=0.37*104dm3mol-1cm-1 at λ=448 nm) hydrogen-bonded through the ? electron on the carbonyl oxygen.The spectral shift and the decrease of the molar extinction coefficient of aromatic ketyl radical anions are explained as due to the stabilization of a carbonyl antibonding ? orbital by hydrogen bonding.
Zn/OH- REDUCTIONS OF ORGANIC COMPOUNDS IN DIMETHYLSULFOXIDE ; A NEW SIMPLE METHOD OF PREPARING RADICAL ANIONS
Handoo, Kishan L.,Gadru, Kanchan
, p. 1371 - 1372 (2007/10/02)
A new method of preparing radical anions from a variety of organic substrates is proposed that involves the use of Zn/KOH in DMSO as electron source.
Formation of the Free Ion of Fluorenone Radical Anion ion Tetrahydrofuran by the Flash Photolysis of the Sulfonyl Carbanions
Nishi, Shin-ichi,Matsuda, Minoru
, p. 181 - 186 (2007/10/02)
The free ion of fluorenone radical anion (FIO).- was formed even in tetrahydrofuran (THF) by the flash photolysis of the alkali-metal salts of the sulfonyl carbanion in the presence of neutral FIO and this was attributed to the ion pair structure of the sulfonyl carbanions.
