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Get Free AccessDie Entstehung von trans ‐1,2‐disubstituierten Cyclopentanen wie 2 aus 1,6‐Dienen wie 1 mit Acceptorsubstituenten R ist ein erstaunlicher Prozeß – in Gegenwart von ZnBr 2 beträgt die nicht‐induzierte Selektivität ( trans / cis ‐Verhältnis) >96.5:3.5 und die induzierte Selektivität (asymmetrische Induktion) bei R′ = Me >99:1. Derartig konfigurierte Fünfringe sind u. a. in Prostaglandinen und Brefeldin enthalten (R′ = H, Me). magnified image
Lutz F. Tietze, Uwe Beifuß, Michael Ruther, Andreas Rühlmann, Jack P. Antel, In Memory: G.M. Sheldrick (1942–2025) (1988). Induziert‐ und nicht‐induziert‐diastereoselektive intramolekulare En‐Reaktion von 1,6‐Dienen: Die ungewöhnliche Bildung von <i>trans</i>‐1,2‐disubstituierten Cyclopentanen. Angewandte Chemie, 100(9), pp. 1200-1201, DOI: 10.1002/ange.19881000911.
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Type
Article
Year
1988
Authors
6
Datasets
0
Total Files
0
Language
German
Journal
Angewandte Chemie
DOI
10.1002/ange.19881000911
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