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Anionic 3 + 2 Cycloaddition

✍ Scribed by Prof. Dr. Thomas Kauffmann; Heike Berg; Dipl.-Chem. Edgar Köppelmann


Publisher
John Wiley and Sons
Year
1970
Tongue
English
Weight
203 KB
Volume
9
Category
Article
ISSN
0044-8249

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📜 SIMILAR VOLUMES


Anionic 3 + 2 Cycloaddition of a 1,2-Dia
✍ Prof. Dr. Thomas Kauffmann; Dr. Dieter Berger; Björn Scheerer; Annegret Wolterma 📂 Article 📅 1970 🏛 John Wiley and Sons 🌐 English ⚖ 195 KB 👁 1 views

The energy barrier to be overcome in anionic 3 + 2 cycloadditions according to (A) (21 and the corresponding cyclo--~~~' 1 ~~H 5 eliminations according to (8) (X = 0, S)[31 should be low since the symmetry of the ~i orbitals is conserved [4+51. The direction of reaction is dictated by the arrangemen

ChemInform Abstract: Highly Regio- and D
✍ Vincent Gembus; Svetlana Postikova; Vincent Levacher; Jean-Francois Briere 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 36 KB

## Abstract In the presence of AMI, the allylic sulfones (Ia) and (IV) undergo highly regio‐ and diastereoselective [3 + 2] cycloaddition with enones to afford trans‐substituted cyclopentenes of type (III)/(VI).