Homoleptic rare earth dipyridylamides [Ln2(N(NC5H4)2)6], Ln = Ce, Nd, Sm,
Ho, Er, Tm, Yb, and
Sc: metal oxidation by the amine melt and in 1,2,3,4-tetrahydroquinoline with the focus of different metal activation by amalgams, liquid ammonia, and microwaves.
Müller-Buschbaum K, Quitmann CC. Inorg Chem. 2006 Mar 20; 45(6):2678-87.