air in ethanol passing of CO2-free air through a mixture of trimethylenediamine, waterfree Co(II)-chloride and alcohol in 30 h forms trans-(CoCl2(C3H10N2)2)Cl; addn. of alcohol; slow evaporation;;
1: Na[Cp]; cobalt(II) chloride in tetrahydrofuran T=-40 - 20°C; Schlenk techniqueInert atmosphereSonication; 2: With air in water 4 h; 3: KPF6 in water
