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Synthesis 1997; 1997(4): 420-422
DOI: 10.1055/s-1997-1212
short paper
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A New Methodology for Obtaining α-Oxo Ester Equivalents: Sulfanylation of α-Sulfonyl Carboxylic Esters in a Solid/Liquid Phase Transfer Catalytic System

Blanka Wladislaw* , Liliana Marzorati, Nelson Ferreira Claro Junior, Claudio Di Vitta
  • *Instituto de Química, Universidade de São Paulo, C.P.26.077, CEP.05599-970, São Paulo, S.P., Brazil, Fax +55(11)8155579
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Publication Date:
31 December 2000 (online)

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A new, convenient procedure for the synthesis of a wide range of α-methylsulfanyl-α-phenylsulfonyl carboxylic esters has been developed and their facile conversion to the corresponding α-oxo esters demonstrated.

sulfanylation - phase transfer - sulfonyl esters - α-oxo esters - thermal decomposition