X-ray crystal structures of 10pi- and 14pi-electron pyrido-annelated N-heterocyclic carbenes.
The first X-ray crystal structures of mono- and dipyridoimidazolinylidenes are presented, and the size of the carbene N-C-N angles discussed and correlated with the 13C NMR chemical shifts.
Nonnenmacher
Michael
M
Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
Kunz
Doris
D
Rominger
Frank
F
Oeser
Thomas
T