Technical Notes:

1. Used for the synthesis of organic compounds e.g. the Sandmeyer re action.1 Also used as a raw material to 2.make organocopper reagents.2

3.Catalyst for the Meerwein reaction, the arylation of alkenes by diazonium salts.3

4. Cocatalyst in the Sonogashira coupling re action.

References:

1. Chem. Rev., 1947, 40(2), 251-27 7.

2.Posner, G. H. An Introduction to Synthesis Using Organocopper Re agents; Wiley: New York,1980.

3. J. Org. Chem., 1961, 26, 3362.

4. J. Organomet. Chem., 2002, 653 (1 -2), 46 49.