期刊
ORGANIC CHEMISTRY FRONTIERS
卷 8, 期 11, 页码 2461-2467出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1qo00112d
关键词
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资金
- National Natural Science Foundation of China [21462034]
- Excellent Young Teachers Plan of Bingtuan [2017CB001, CZ027203, CZ002203]
- International Cooperation Project of Shihezi University [GJHZ201801]
A new protocol has been proposed for the synthesis of thiosulfonates via visible-light mediation, utilizing metal-free sulfonylation of thiols with aryldiazonium and sodium metabisulphite at room temperature. This reaction utilizes rhodamine 6G and cheap inorganic sulfite of sodium metabisulfite as catalysts, providing a promising strategy for accessing various unsymmetrical thiosulfonates in moderate to good yields. Preliminary mechanistic studies suggest the involvement of a radical pathway in this transformation.
A new visible-light-mediated protocol has been proposed for the synthesis of thiosulfonates via metal-free sulfonylation of thiols with aryldiazonium and sodium metabisulphite at room temperature. This mild three-component reaction simply utilizes readily available rhodamine 6G as the photocatalyst and cheap inorganic sulfite of sodium metabisulfite as a SO2 surrogate and provides an attractive strategy to access various unsymmetrical thiosulfonates in moderate to good yields under oxidant- or strong acid-free conditions. Preliminary mechanistic studies indicated that a radical pathway was involved in the present transformation.
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