Compounds having the divalent diazo group, =N+=N−, attached to a carbon atom, e.g. CH2=N2 diazomethane.
See also:
dipolar compounds
Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1332 [Terms] [Paper]