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Chemosensitive properties of poly-4,4′-dialkoxy-2,2′-bipyrroles

✍ Scribed by Martin Krondak; Gabriela Broncová; Sergiy Anikin; Andreas Merz; Vladimir M. Mirsky

Book ID
106243586
Publisher
Springer
Year
2005
Tongue
English
Weight
316 KB
Volume
10
Category
Article
ISSN
1432-8488

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Photochemistry of 4,4-Dialkoxy-2,5-cyclo
Photochemistry of 4,4-Dialkoxy-2,5-cyclohexadienones
✍ Paul Margaretha 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 German ⚖ 250 KB

## Abstract Irradiation (λ > 370 nm) of 4,4‐dimethoxy‐2,5‐cyclohexadienone (**1 a**) in benzene affords mainly the ketene acetal **4 a**, which then undergoes further rearrangement. The carbomethoxycyclopentenones **6** and **7** were isolated in modest yields (10–15°). It is conceivable that the l