Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic acid dianhydride 、
4-氨基-TEMPO 、
10-[(4'-aminomethylbiphenyl-4-yl)methyl]phenothiazine 以
N,N-二甲基甲酰胺 为溶剂,
以16%的产率得到N-[4'-(10-phenothiazinylmethyl)biphenyl-4-yl]methyl-N'-(2,2,6,6-tetramethylpiperidin-1-oxyl-4-yl)bicyclo[2.2.2]oct-7-ene-2,3:5,6-bis(dicarboximide)