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Chem."],"accepted":{"date-parts":[[2021,1,7]]},"abstract":"<jats:p>We described herein a selective method to prepare \u03b1-organylthio esters and \u03b1-organylthio ketones by the reaction of \u03b2-keto esters with sodium<jats:italic>S<\/jats:italic>-benzyl sulfurothioate or sodium<jats:italic>S<\/jats:italic>-alkyl sulfurothioate (Bunte salts) under basic conditions in toluene as the solvent at 100 \u00b0C. When 4 equivalents of a base were used, a series of differently substituted \u03b1-thio esters were obtained with up to 90% yield. On the other hand, employing 2 equivalents of a base, \u03b1-thio ketones were achieved after 18 h under air. 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