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Synlett 1992; 1992(11): 893-894
DOI: 10.1055/s-1992-21531
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Ultrasound and Phase-Transfer Catalysis without Solvent in Elimination Reactions: Synthesis of Cyclic Ketene Acetals

Enrique Díez-Barra* , Antonio de la Hoz, Angel Díaz-Ortiz, Pilar Prieto
  • *Facultad de C. Químicas, Universidad de Castilla-La Mancha, E-13071 Ciudad Real, Spain
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Publication Date:
08 March 2002 (online)

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The use of PTC without solvent coupled with ultrasound as an improved method for ß-elimination reactions is described. The application to the synthesis of reactive cyclic ketene acetals confirms the usefulness of this technique.