Scissions sigmatropiques d'acétals non saturés: Résultats expérimentaux de la pyrolyse des acétals non satuŕes
F Mutterer, JM Morgen, JM Biedermann, JP Fleury…
Index: Mutterer,F. et al. Tetrahedron, 1970 , vol. 26, p. 477 - 495
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Citation Number: 12
Abstract
Experimental pryrolysis results of unsatured acetals with allyloxy structure us to postulate two different cyclic, 6-membered transition types: the one yields propenyl ehters, the other esters. These transpositions take place by acyclic, cyclic or semicyclic acetals (2-vinyl or 5- alcoylidene 1, 3-dioxans, 1, 3-dioxep 5-enes, 2-allyloxytetrahydropyrans). Cyclic acetals generally react at higher temperatures than linear ones. A series of original propenyl ...
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