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New Approach for the General Synthesis of Oxotetrahydroindoles via Intramolecular Cycloadditions of Azomethine Ylides with Tethered Alkynes †

✍ Scribed by Nayyar, Naresh K.; Hutchison, Darrell R.; Martinelli, Michael J.


Book ID
120015469
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
450 KB
Volume
62
Category
Article
ISSN
0022-3263

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Intramolecular cycloadditions with azome
✍ W. Eberbach; H. Fritz; I. Heinze; P. von Laer; P. Link 📂 Article 📅 1986 🏛 Elsevier Science 🌐 French ⚖ 248 KB

On thermal treatment of the aziridines Sa-f intramolecular cycloaddition reactions of the intermedsteazomethine ylides 6 result in the formation of the metacyclophanes L-9. FoF 7a and 7b the conformational barriers are estimated to-be app';;;ximatzy 20 and 12 kcal/mol, respectively.