thioketone S-oxides

synonym: sulfines
https://doi.org/10.1351/goldbook.T06357
Compounds having the structure $\ce{R2C=S=O}$ ($\ce{R} \neq \ce{H}$). (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 [Terms] [Paper]