Wolfgang Schwarz, Karl-Michael Dangel, et al.
JACS
The signs of the fluorine hyperfine coupling constants of monosubstituted benzyl radicals have been determined by CIDNP studies of fluorobenzyl phenyl ketones. The para and ortho couplings are found to be positive whereas the meta. coupling is negative.
Wolfgang Schwarz, Karl-Michael Dangel, et al.
JACS
Robert J. Waltman, Joachim Bargon
Tetrahedron
Marco-A. De Paoli, Robert J. Waltman, et al.
Journal of the Chemical Society - Series Chemical Communications
H. Michael Maurer, Gian Piero Gardini, et al.
Journal of the Chemical Society, Chemical Communications