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A Convenient Synthesis of 2 H -Pyran-2-one Derivatives

1997; Taylor & Francis; Volume: 27; Issue: 7 Linguagem: Inglês

10.1080/00397919708003347

1532-2432

Thierry Dubuffet, B. CIMETIERE, Gilbert Lavielle,

Synthesis of heterocyclic compounds

Abstract A simple procedure for the synthesis of 2H-pyran-2-ones 1 is described: selective Wittig olefination of keto aldehydes at the aldehyde group followed by a cyclization in acidic medium.