Pyrylium 3-oxide and 4,5-epoxy-2-cyclopentenone valence tautomerism

✍ Scribed by Joyce M. Dunston; Peter Yates

• Book ID: 104214484
• Publisher: Elsevier Science
• Year: 1964
• Tongue: French
• Weight: 144 KB
• Volume: 5
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)73263-1

✦ Synopsis

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haa recently deecribed en interesting l tudy of the photochemical valence tantomeriem of 2,4,6-triphenylpyrylium J-oxide (I). He l hored that a photo-equilibrium can be eetabliehed between (I) and a tantomer. The latter was not obtained in cryetalline form, but epectral and degradatire evidence