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Synthesis 1985; 1985(10): 988-990
DOI: 10.1055/s-1985-31419
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Pyridinium Dichromate in Organic Chemistry: A New Synthesis of Enedicarbonyl Compounds

Maurizio D'Auria* , Antonella De Mico, Franco D'Onofrid, Arrigo Scettri
  • *Centro per lo studio della Chimica delle Sostanze Organiche Naturali del CNR, c/o Dipartimento di Chimica, Università di Roma "La Sapienza", P. le Aldo Moro n. 2, I-00185 Roma, Italy
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Publication Date:
27 September 2002 (online)

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Enedicarbonyl compounds (2-alkene-1,4-diones) are prepared by oxidation of 1-substituted 3-alkenols (homoallylic alcohols) with pyridinium dichromate in dimethylformamide. The reaction proceeds via 3-alkenyl ketones as intermediates which can in some cases be isolated after short reaction times.