It should not confused with the reaction where a diazonium salt is converted to an aryl halide by using copper powder and hydrochloric acid as opposed to using cuprous salt of the halide as in the Sandmeyer reaction.2 Although in some articles and books this reaction is also called Gatterman reaction.3
^ L. Gattermann, W. Berchelmann (1898). "Synthese aromatischer Oxyaldehyde". Berichte der deutschen chemischen Gesellschaft31 (2): 1765–1769. doi:10.1002/cber.18980310281.
^ L. Gattermann (1890). "Untersuchungen über Diazoverbindungen". Berichte der deutschen chemischen Gesellschaft23 (1): 1218–1228. doi:10.1002/cber.189002301199.
^ R. N. Morrison, R. T. Boyd. Organic Chemistry, 869.