carbamic acid 1,1-dimethylethyl ester; [Ru(η3-2-C3H4Me)(CO)(1,1'-(Ph2P)2-ferrocene)][SbF6]; trifluoroacetic acid in tetrahydrofuran T=20 - 75°C; Inert atmosphere;

anhydrous iron chloride in ethylene glycol T=100°C; 8 h;