thioketone S-oxides

Compounds having the structure R2C=S=O (RH). (Also known by the disapproved term sulfines which comprises thioaldehyde S-oxides and thioketone S-oxides.)
Source:
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1372