Cyclic dinitrones underwent nucleophilic substitution of the hydrogen atom in the reaction with a paramagnetic carbanion, the lithium derivative of 4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-oxyl 3-oxide, to give polyfunctional nitronyl nitroxyls.
环状二硝酮在与顺磁性碳负离子(4,4,5,5-四甲基-4,5-二氢-
1H-咪唑-1-氧基3-氧化物的
锂衍
生物)反应中对氢原子进行亲核取代,得到多官能硝硝基
硝酰基。