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Synthesis 1985; 1985(8): 789-790
DOI: 10.1055/s-1985-31351
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One-Pot Synthesis of 2,6-Di-t-butyl- and 2,6-Diarylthiopyrylium Perchlorates

Giancarlo Doddi* , Gianfranco Ercolani
  • *Centro C.N.R. di Studio sui Meccanismi di Reazione, c/o Dipartimento di Chimica, Università di Roma "La Sapienza", P.le Aldo Moro 2, I-00185 Roma, Italy
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Publication Date:
17 September 2002 (online)

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The title compounds were prepared by reaction of the corresponding methyl ketone with an excess of triethyl orthoformate in an acidic medium (acetic anhydride/perchloric acid) under a hydrogen sulfide stream.