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Peri- and Enantioselectivity of Thermal, Scandium-, and [Pybox/Scandium]-Catalyzed Diels–Alder and Hetero-Diels–Alder Reactions of Methyl (E)-2-Oxo-4-aryl-butenoates with Cyclopentadiene

✍ Scribed by Giovanni Desimoni; Giuseppe Faita; Marco Toscanini; Massimo Boiocchi


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
326 KB
Volume
13
Category
Article
ISSN
0947-6539

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✍ Hoffmann, H. M. R. ;Vathke-Ernst, Heidrun 📂 Article 📅 1981 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 457 KB 👁 1 views

4Methyl-3-penten-2-01 (1) and cyclopentadiene react in an acidic two phase system at 0°C to form allylcyclopentenols 2 and norbornenylcarbinols 4. At 50°C and under similar conditions, 2 as well as 4 are equilibrated to allylcyclopentadienes 3, bicyclic olefins 5 and 6 , and tricyclic ether 7. With