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Photochemical behaviour of 5-formyl and 5-acetyl uracils in the presence of ethene

✍ Scribed by Elisabeth Pereira; Sophie Faure; David J. Aitken

Publisher: Elsevier Science
Year: 2008
Tongue: French
Weight: 104 KB
Volume: 49
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2008.01.088

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✦ Synopsis

Atypically for uracils, 5-formyl and 5-acetyl uracils react photochemically with excess ethene to produce non-acylated cyclobutane adducts whose formation can be explained by a novel, tandem [2+2] cycloaddition/Norrish-I a-cleavage process.

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