13C detected scalar nitrogen-nitrogen couplings across the intramolecular symmetric NHN hydrogen bond of proton sponge.
Pietrzak
M
M
Institut für Chemie der Freien Universität Berlin, Takustrasse 3, D-14195, Berlin, Germany.
Wehling
J
J
Limbach
H H
HH
Golubev
N S
NS
López
C
C
Claramunt
R M
RM
Elguero
J
J