N-Heterocyclic carbenes can coexist with alkenes and C-H acidic sites.
The isolation of compounds 3 and 7a,b proves that a singlet carbene center can coexist with alkenes or C-H acidic sites in proximity without spontaneous annihilation.
Fürstner
A
A
Max-Planck-Institut für Kohlenforschung, D-45470 Mülheim/Ruhr, Germany. fuerstner@mpi-muelheim.mpg.de
Krause
H
H
Ackermann
L
L
Lehmann
C W
CW