Recommended name for carbene analogues having the structure
R–As: (former IUPAC name is arsinediyls). A common non-IUPAC synonym is arsinidenes.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1319 (https://doi.org/10.1351/pac199567081307)