air; 2,6-dimethoxy-p-benzoquinone; N,N'-(3,3'-bis(propyl)methylamine)bis(salicylideneiminato)cobalt(II); [{Ph4(η5-C4CO)Ru(CO)2}2] in toluene T=110°C; 12 h;

tetrahydrofuran; titanium(III) chloride; lithium 18 h; Heating;