Regioselectivity in the Animation of Azines.Reaction of 1,10-PhenanthroIine Derivatives with 0-Mesitylsulfonylhydroxylamine

摘要

N-Amino-substituted azinium salts are widely used as reagents for amination of arenes[1-5]and synthesis of imines[6-8]and various heterocyclic and other compounds[6-10].In the synthesis of N-amino deriva-tives of azines having several heteroatoms,the prob-lem arises as to whether the amination will occur at one or another nitrogen atom[11].1,10-Phenanthroline derivatives are among promising models for studying regioselectivity in the amination of azines.As shown previously,the reaction of 0-mesitylsulfonylhydroxyl-amine with 1,10-phenanthroline gives l-amino-1,10-phenanthrolinium mesitylenesulfonate[3,12].