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Solvent-Controlled Intramolecular [2 + 2] Photocycloadditions of α-Substituted Enones

✍ Scribed by Ng, Stephanie M.; Bader, Scott J.; Snapper, Marc L.


Book ID
120360167
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
320 KB
Volume
128
Category
Article
ISSN
0002-7863

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📜 SIMILAR VOLUMES


Intramolecular [2+2] photocycloaddition
✍ Michael C. Pirrung; Stephen A. Thomson 📂 Article 📅 1986 🏛 Elsevier Science 🌐 French ⚖ 182 KB

Lewis acid catalyzed condensation of unsaturated orthofonnates with dienol ethers gives enone-acetals suitable for intramolecular photocycloadditions, yielding heterocyclic precursors to sesquiterpene lactones.

Regiochemical Trends in Intramolecular [
✍ Giuliano Cruciani; Paul Margaretha 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 German ⚖ 480 KB

## Abstract The effect of substituents (X  H, Me, or F at C(6), R  H or Me at C(2′) of the allyl side chain) on the photoisomerization (λ = 350 nm) of 6‐allylcyclohex‐2‐enones 1 in MeCN is studied. Substituents X control the overall efficiency of intramolecular [2 + 2] photocycloadduct formation