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Synthesis 1994; 1994(5): 483-485
DOI: 10.1055/s-1994-25508
short paper
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A New Two-Step Synthesis of α-Oxoketene O,N-Acetals

Jacques Moussounga* , James Bouquant, Josselin Chuche
  • *Laboratoire de Chimie Organique Physique, associé au CNRS, Université de Reims-Champagne-Ardenne, BP 347, F-51100 Reims, France
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Publication Date:
17 September 2002 (online)

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A new synthesis of α-oxoketene O,N-acetals has been developed from β-oxothioxo esters. Thus, the reaction of 2a-c with alkyl, allyl or cyclic primary amines in refluxing toluene and formic acid led to α-oxoketene O,N-acetals 3a-i in good yields.