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In organosulfur chemistry, a Bunte salt is an archaic name for salts with the formula RSSO3Na. They are also called S-alkylthiosulfates or S-arylthiosulfates. These compounds are typically derived from alkylation on the pendant sulfur of sodium thiosulfate:
They have been used as intermediates in the synthesis of thiols. They are also used to generate unsymmetrical disulfides:
According to X-ray crystallography, they adopt the expected structure with tetrahedral sulfur atom, a sulfur-sulfur single bond, and three equivalent sulfur-oxygen bonds.
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