Compounds having the structure
RC(=S=O)H.
(Also known by the disapproved term
sulfines which includes 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