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An environmental effect in a photochemical reaction: photolysis of matrix-isolated 4-phenyl-1,3,2-oxathiazolylio-5-oxide

✍ Scribed by Ian R. Dunkin; Martyn Poliakoff; James J. Turner; Niels Harrit; Arne Holm


Publisher
Elsevier Science
Year
1976
Tongue
French
Weight
160 KB
Volume
17
Category
Article
ISSN
0040-4039

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Photochemical Reactions. 128th Communica
✍ Norbert Bischofberger; Bruno Frei; Oskar Jeger πŸ“‚ Article πŸ“… 1983 πŸ› John Wiley and Sons 🌐 German βš– 372 KB πŸ‘ 1 views

## Abstract Photolysis (Ξ» = 254 mm, THF) of the diepoxyenone (__E__)‐**1** at βˆ’78Β° leads to the 2,8‐dioxabicyclo[3.2.1]oct‐3‐ene intermediate **3** (51%). At ambient temperature **3** undergoes an unexpectedly rapid electrocyclic opening to the triketone **2** in quantitative yield. Compound **3**