1,4-dimethyl-7-tert-butyl-8-hydroxy-10-(3',5'-di-tert-butyl-4'-hydroxyphenyl)-5,10-dihydrobenzophthalazine trifluoroacetate 在
air 作用下,
以
乙醚 为溶剂,
反应 1.0h,
以90%的产率得到1,4-dimethyl-7-tert-butyl-8-hydroxy-10-(3',5'-di-tert-butyl-4'-hydroxyphenyl)benzo
phthalazine trifluoroacetate