N,N-diethyl-5-((1-(2-hydroxyethyl)pyridin-1-ium-4-yl)imino)-5H-benzo[a]phenoxazin-9-amine iodide 在
717 anion-exchange resin (nitrate form) 作用下,
以
甲醇 为溶剂,
以70%的产率得到N,N-diethyl-5-((1-(2-hydroxyethyl)pyridin-1-ium-4-yl)imino)-5H-benzo[a]phenoxazin-9-amine nitrate