IN this very concise treatise the author has summarized the history of the industrially important diazo-compounds since their earliest recognition by Peter Gries in 1858 until the present time.

IN the course of a systematic study of reactions between aryl diazonium chlorides and chemical elements, it has been found that aromatic arsenic compounds may be prepared by warming a diazonium ...

Aromatic compounds (or arenes ... In the novel method, bromoarenes are reacted with two other classes of organic compounds, diazo compounds and malonates, in the presence of a palladium catalyst ...