Abnormal binding in a carbene complex formed from an imidazolium salt and a metal hydride complex.
2-Pyridylmethylimidazolium salts and IrH5(PPh3)2 give an [(N-C)IrH2(PPh3)2]+ species with the imidazole ring bound in the 'wrong way': at C-5, not at the expected C-2.
Gründemann
S
S
Department of Chemistry, 225 Prospect Street, Yale University, New Haven, CT 06520-8107, USA.
Kovacevic
A
A
Albrecht
M
M
Faller
J W
JW
Crabtree
R H
RH