selones

https://doi.org/10.1351/goldbook.S05588
Compounds having the structure R2C=Se (RH). They are thus selenium analogues of @K03386@.
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1365 [Terms] [Paper]