sodium acetate in ethanol; water soln. of 0.0033 mol of sodium acetate in 5 ml of H2O added dropwise withstirring to combined solns. of 0.001 mol of metal chloride in H2O and 0 .0033 mol of diketone in 5 ml of alc.; mixt. stirred for 1-2 h; ppt. filtered off; recrystd. (benzene-hexane); elem. anal.;

sodium acetate in N,N-dimethyl-formamide T=100°C; 4 h;