in benzene byproducts: i-propanol; the i-propoxy-complex and acetylacetone (1:8 molar ratio) were refluxedin benzene for 10 h (isopropanol was removed azeotropically out between72-80°C along with benzene); removing the solvent; elem. anal.;

in benzene byproducts: i-propanol; the i-propoxy-complex and acetylacetone (1:8 molar ratio) were refluxedin benzene for 10 h (isopropanol was removed azeotropically out between72-80°C along with benzene); removing the solvent; elem. anal.;