in not given washed with i-PrOH-H2O; vac. dried at 50°C for 48 h;

in water dropwise addn. of hot Na-laurate soln. to an aq. soln. of CoSO4 at 50-55°C with stirring;; pptn.; filtration; washing with hot H2O; drying in an air oven; final drying under reduced pressure; elem. anal.;;

ruthenium trichloride in further solvent(s) Co-laurate heated at 170°C for 30 min in 1,2-butanediol in the presence of RuCl3; centrifuged; washed with abs. EtOH; dried in vac.;