sulfonphthaleins

https://doi.org/10.1351/goldbook.S06122
3,3-Bis(hydroxyaryl)-3H-2,1-benzoxathiole S,S-dioxides, formed by condensation of o-sulfobenzoic acid with @P04539@ or related compounds, e.g.
S06122.png
See:
phenols
,
phthaleins
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1370 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014