Synthese von [2]??[Azacyclohexacosan]??[cyclooctacosan]??catenan
E Logemann, G Schill
Index: Logemann,E. et al. Chemische Berichte, 1978 , vol. 111, p. 2615 - 2629
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Citation Number: 6
Abstract
Abstract Die Ozonolyse des chinoiden Catenans 17 in Ethylacetat bei− 40 C in Gegenwart von Tetracyanethylen ergibt nach Reduktion mit Natriumboranat und anschließender reduktiver Eliminierung der Hydroxylgruppen in einer Gesamtausbeute von 24%(bezogen auf 16) das kristalline Catenan 20a. Die Ozonolyse von 17 in Ethylacetat/Methanol (10: 1) bei− 26 C führt nach Reduktion der peroxidischen Zwischenstufen mit Dimethylsulfid und ...
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