On treatment with silver(I) oxide the complex [Cp*RhCl2(κC-MeNC3H2NCH2C6F5)] undergoes 1,4-addition of rhodium and methylene to the polyfluoroaryl ring, which loses aromaticity, affording [(η5,κ2C-C5Me4CH2C6F5CH2NC3H2NMe)RhCl].
Thomas, H. P., Marr, A. C., Morgan, P. J., & Saunders, G. C. (2018). Tethering of Pentamethylcyclopentadienyl and N-Heterocycle Stabilized Carbene Ligands by Intramolecular 1,4-Addition to a Polyfluorophenyl Substituent. Organometallics. https://doi.org/10.1021/acs.organomet.8b00164