Compounds of structure
R2C(SR')OH
or
R2C(OR')SH (monothiohemiacetals), or
R2C(SR')SH (dithiohemiacetals),
R' ≠
H .
Source:
PAC, 1995, 67, 1307
(Glossary of class names of organic compounds and reactivity intermediates based on
structure (IUPAC Recommendations 1995))
on page 1372