in toluene
Prepg. of react. mixt. by Schlenk technique and inert-atmosphere dry box, allowing to stand at room temp. (48 h), heating in oil bath (110°C, several hours), cooling.; Filtn. of soln. in Schlenk flask, removal of solvent (vac.), cooling;
参考文献
Sangokoya, Samuel A.; Pennington, William T.; Robinson, Gregory H.
Journal of Crystallographic and Spectroscopic Research, 1989 , vol. 19, # 3 p. 433 - 438