The Preparation of Unsymmetrical Biaryls by the Diazo Reaction and the Nitrosoacetylamine Reaction

Abstract

The amino group of aromatic amines can be replaced by aryl groups with the formation of unsymmetrical biaryl by two general procedures: (1) by reaction of the aryldiazo hydroxide or acetate with aromatic compounds and (2) by reaction of the nitrosoacetylamine with aromatic compounds, In general the aromatic compounds must be a liquid for no solvent has been found which will not be attacked by the reactive intermediates which are formed in these reactions. Diazo and nirosoacetykeamine reactions are discussed.

Heterocations in Superacid Systems

“…More recently Laali and coworkers 468 have shown that the stability of enoldiazonium ions can be greatly enhanced by an a-silyl functionality. [469][470][471][472][473][474][475][476][477] They were known as early as 1894. Aromatic Diazonium Ions.…”