sodium hexaflorophosphate 、
[Cr(3-n-butyl-2,4-pentanedioneato)2(H2O)2]BF4 、
2-(2'-pyridyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazolyl-3-oxide-1-oxyl 以
乙腈 为溶剂,
以60%的产率得到[Cr(3-n-butyl-2,4-pentanedioneato)2(2-(2'-pyridyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazolyl-3-oxide-1-oxyl)][PF6]