Sulfur-containing heterocycles 14. New synthesis of cyclic anhydrides of 3-sulfinocarboxylic acids |
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Authors: | T P Vasil’eva G T Shchetnikov S N Osipov |
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Institution: | 1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991, Moscow, Russian Federation
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Abstract: | 3-Chlorosulfinylalkanoyl chlorides undergo cyclization into the corresponding five-membered mixed anhydrides (1,2-oxathiolan-5-one 2-oxides) under the action of sodium or mercury acetates. 2-Chlorosulfinylbenzoyl chloride gives 3H-2,1-benzoxathiol-3-one 1-oxide in high yield. |
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