Electrocyclic reactions of tetraenes: Influence of terminal substituents
β Scribed by Elliot N. Marvell; Jurgen Seubert; Gunther Vogt; Gerald Zimmer; Gerald Moy; James R. Siegmann
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- French
- Weight
- 882 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0040-4020
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π SIMILAR VOLUMES
## Abstract The groups with local symmetries are employed to explore the intrinsic symmetries of various kinds of cycloadditions to become apparent ones. For the electrocyclic reactions, the concept of local symmetry can still be applied equivalently, but no new result can be achieved. Furthermore,
## Abstract The electrocyclization of 4βsubstituted 3βsilyloxyβ2βazadienes to Ξ²βlactams was studied at the MP2/6β31G\* level of theory and the effect of the substituents on the reactivity of the azadiene and on the stereochemistry of the cyclic products was evaluated. It was shown that the electroc