Bogoslovskii Reaction

Two molecules of a diazonium salt may couple with loss of some nitrogen. In the Bogoslovskii reaction, this reaction has been developed as a means of preparing o,o -dihydroxyazo compounds, which are difficult to obtain by other means. This reaction involves the use of a cuprous complex as the reaction catalyst. Self-coupling of diazonium salts also takes place in the presence of sodium sulfite. 

Bechamp method, 129 Beckmann rearrangement, 94, 279 Benzilic acid rearrangement, 67-68 Benzoin condensation, 30 Bogoslovskii Reaction, 244 Boord synthesis, 17 Borsche synthesis, 244... 

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