imidoyl carbenes

Carbenes having the structure RC(=NR)C:–R. Imidoyl is a shortened but imprecise term for carboximidoyl, RC(=NH)– .
Source:
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1343