ELECTRON-PARAMAGNETIC-RESONANCE INVESTIGATION OF THE COMPLEXES OF GRIGNARD-REAGENTS WITH 9,10-PHENANTHRENESEMIQUINONATE

Authors
PAN K CHENG KL HO TI
Citation
K. Pan et al., ELECTRON-PARAMAGNETIC-RESONANCE INVESTIGATION OF THE COMPLEXES OF GRIGNARD-REAGENTS WITH 9,10-PHENANTHRENESEMIQUINONATE, Magnetic resonance in chemistry, 33(7), 1995, pp. 518-522
Citations number
22
Categorie Soggetti
Spectroscopy,Chemistry
Journal title
Magnetic resonance in chemistry → ACNP
ISSN journal
07491581
Volume
33
Issue
7
Year of publication
1995
Pages
518 - 522
Database
ISI
SICI code
0749-1581(1995)33:7<518:EIOTCO>2.0.ZU;2-0
Abstract
The substituent effect on the proton hyperfine splitting constants (hf sc) of the charge-transfer complexes of Grignard reagents (RMgBr, R = CH3, C2H5, CH3CH=CH) with seven 3-substituted 9,10-phenanthroquinones is reported. A back-donation bonding interaction between phenanthrenes emiquinonate anion radical pi and the magnesium p orbital is revealed by the hfsc analysis.