in tetrahydrofuran THF, ambient temp., stirring overnight;; evapd. in vac., washed with hexane, dried in vac., crystd. from hexane at -15°C; elem. anal.;;
in toluene dropwise addn. of a soln. of Cr(CO)3(mes) to an ethylendiamine extract of a melt of nominal composition K4Sn9; cryptand then added as solid;; filtering twice of soln., left at 25°C, needles after 48h, elem. anal.;
参考文献
Eichhorn, Bryan W.; Haushalter, Robert C.; Pennington, William T.
Journal of the American Chemical Society, 1988 , vol. 110, p. 8704 - 8706
