... 10. Using NHC ligands, Nolan et al. ... Dissolving 5b in diethyl ether gives rise to a weak solvent adduct (η 3 -2-MeC 3 H 4 )Pd(Et 2 O)OTf, which slowly loses Et 2 O when drying under vacuum at room ... a Solvent CD 2 Cl 2 . Temperature 25 °C. b OTf: δ(C) 120.9, J(CF) = 319 Hz. ...