| Abstract
| - A series of β-thio group substituted α-diazo carbonyl compounds have been prepared by nucleophilic substitutionreactions of thiophenol, thionaphthol, or benzyl mercaptanwith β-acetoxy-α-diazo carbonyl compounds. The diazo decomposition of these diazo carbonyl compounds with varioustransition metal catalysts, including Rh(II) carboxylates andCu(I) and Cu(II) complexes, has been investigated. It wasfound that the diazo decomposition of these compounds gave1,2-thio group migration products. No 1,2-hydride or 1,2-aryl migration products were observed in all cases.
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