The DOI matches its Crossref record.
Aqueous High-Temperature Chemistry of Carbo- and Heterocycles. 28.1 Reactions of Aryl Sulfoxides and Sulfones in Sub- and Supercritical Water at 200−460 °C
Abstract
Diphenyl and methyl phenyl sulfones and sulfoxides and dibenzothiophene sulfone were treated at 460 °C with water, 15% aqueous formic acid, and 15% aqueous sodium formate. Thermal comparisons were run in cyclohexane, and for those compounds and conditions that resulted in fast conversion after 7 min at 460 °C, also at lower temperatures. Sulfoxides are highly reactive, sulfones less so. Reactivity is greatest in 15% aqueous sodium formate followed by formic acid for the sulfones; this reactivity order is inverted for the sulfoxides. In all of the aqueous media, ionic reactions dominate. The sulfoxides are mainly deoxygenated to the corresponding sulfides, while C−S bond cleavage is more important for the sulfones. Product slates are identified and analyzed, and reaction pathways are suggested for the transformations found.
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S3 begins to decompose at 460 °C.
“Alan et al. [57] pointed that S3 begin to decompose at 460 ◦C.”
From Sulfur transformation mechanism during supercritical water gasification of black liquor (2023) · cites this paper as [57]
The decomposition rate of S2 was relatively lower than that of S1 and S3.
“Still, the proportion of S2 showed an increasing tend with the increase in temperature, because the decomposition rate of S2 was relatively lower than that of S1 and S3.”
From Sulfur transformation mechanism during supercritical water gasification of black liquor (2023) · cites this paper as [57]
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No references could be resolved yet.
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Cited by
Sorted by citations
Liu, S., Li, L., Guo, L., Jin, H., Kou, J., & Li, G. (2017) · Energy & Fuels · doi:10.1021/acs.energyfuels.7b02505 · Cited by 56
Sulfur transformation mechanism during supercritical water gasification of black liquor
Lu, L., Wei, W., Liu, F., Ge, Z., Jin, H., Chen, Y., & Guo, L. (2023) · Fuel · doi:10.1016/j.fuel.2022.127333 · Cited by 22
Metadata
- Authors
- Katritzky, A. R., Barcock, R. A., Ignatchenko, E. S., Allin, S. M., Siskin, M., & Hudson, C. W.
- Affiliations
- University of Florida (US)
- ExxonMobil (United States) (US)
- Corresponding author
- Katritzky, Alan R.
- ORCID
- Allin, Steven M.
- Venue
- Energy & Fuels
- Publisher
- American Chemical Society (ACS)
- Published
- 1997-01-01
- Volume
- 11
- Issue
- 1
- Pages
- 150-159
- ISSN
- 0887-0624 (ISSN-L)
- 1520-5029
- OpenAlex
- W1979573713
- Cited by
- 15
- References
- 0
- Citations by year
- 2026: 1 · 2023: 1 · 2017: 1 · 2015: 1 · 2014: 3 · 2012: 2
- FWCI
- 0.79
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Energy & Fuels (publishedVersion)
- Topics
- Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Subcritical and Supercritical Water Processes
- Physical Sciences › Chemical Engineering › Catalysis › Catalysis and Hydrodesulfurization Studies
- Physical Sciences › Chemistry › Organic Chemistry › Sulfur-Based Synthesis Techniques
- Keywords
- aryl sulfoxides, aryl sulfones, supercritical water, subcritical water, deoxygenation, sulfidation, C–S bond cleavage, ionic reactions, reaction pathways, dibenzothiophene sulfone, diphenyl sulfone
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