bromine in carbon disulfide excess of Br2;

air; ethanol in ethanol byproducts: Co oxides or hydroxides; 70°C;

in tetrahydrofuran; ethylene glycol dimethyl ether under N2 atm. soln. K(η5-Ind)Mo(CO)3 in DME was added to soln. (μ3-CH)Co3(CO)9 in THF and stirred for 15 min; solvent was removed in vacuo, residue was separated by column chromy. onsilica, crystn. from CH2Cl2-hexane at -20°C; elem. anal.;