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Photochemistry of dienones. Part 13. Photochemistry of the valeryl analogues of (E)-α- and (E)-β-ionone; absence of Norrish type II processes

✍ Scribed by Cornelis P. Visser; Hans van der Wel; Hans Cerfontain

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
371 KB
Volume
102
Category
Article
ISSN
0165-0513

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Photochemistry of dienones. Part IX. Pho
Photochemistry of dienones. Part IX. Photochemistry of (E)- and (Z)-α-ionone
✍ Cornelis P. Visser; Hans Cerfontain 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 359 KB

## Abstract The photochemical reactions of (__E__)‐α‐ionone (**1**) and its photoproducts have been re‐examined. Upon irradiation with λ 254 and 313 nm a sequence of photo‐reactions takes place: initially (__Z__)‐α‐ionone (**2**) is formed and subsequently (__E__)‐ and (__Z__)‐__retro__‐α‐ionone (*