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Enamide-Benzyne-[2 + 2] Cycloaddition: Stereoselective Tandem [2 + 2]−Pericyclic Ring-Opening−Intramolecular N -Tethered [4 + 2] Cycloadditions

✍ Scribed by Feltenberger, John B.; Hayashi, Ryuji; Tang, Yu; Babiash, Eric S. C.; Hsung, Richard P.


Book ID
126126791
Publisher
American Chemical Society
Year
2009
Tongue
English
Weight
597 KB
Volume
11
Category
Article
ISSN
1523-7060

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Intramolecular [4+2] cycloaddition react
✍ Stephen F. Martin; Ta-shue Chou; Chih-yun Tu 📂 Article 📅 1979 🏛 Elsevier Science 🌐 French ⚖ 259 KB

An attempt to utilize a new strategy for alkaloid synthesis which features the intramolecular [4+2] cycloaddition of enamines and enamides for the construction of the tetracyclic spiroamine skeleton characteristic of the ~rythrina alkaloids was unsuccessful, unexpectedly giving a bridged cycloadduct