Friedel-Crafts type nitration of aromatics with nitryl halides, dinitrogen tetroxide, dinitrogen pentoxide and stable ... X simple new method of preparing The scope of preparative nitroniu ~n fluoroborate ... Introduction The general Friedel-Crafts acylation principle3 can be applied easily to inorganic acid halides and anhydrides. Consequently, it is suggested that aromatic nitration involving nitryl halides, dini- trogen pentoxide and dinitrogen tetroxide (the halides and anhydrides of ...
