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- W2040375170 abstract "In order to study the thermodynamic stability of the ethylidene side chain in a bridged bicyclic system, as it is found in certain alkaloids, we have prepared the following compounds: 2-ethylidene bicyclo [2, 2, 2] octane, 2-ethylbicyclo [2, 2, 2] oct-2-ene, 3-ethyl-1-azabicyclo [2, 2, 2] oct-2-ene and 3-ethylidene-1-azabicyclo [2, 2, 2] octane. From the results of the dehydratation of the 2-ethylbicyclo [2, 2, 2] octan-2-ol and 3-ethyl-1-azabicyclo [2, 2, 2] octan-3-ol, made in the same conditions as in acid catalysed isomerization, the following figures are obtained: 1 ) series of bicyclo [2, 2, 2] octane: 30% of endocyclic alkene and 70% of semicyclic alkene; 2 ) series of 1-azabicyclo [2, 2, 2] octane: 25% of endocyclic alkene and 75% of semicyclic alkene. These figures show the peculiar stability of a semicyclic double bond with respect to an endocyclic double bond in 1, 4 bridged bicyclic compounds." @default.
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- W2040375170 date "1964-01-01" @default.
- W2040375170 modified "2023-10-16" @default.
- W2040375170 title "Étude Physico-Chimique de Modèles D'Alcaloides Indoliques I. Considérations préliminaires concernant la structure d'analogues d'alcaloïdes indoliques et de dérivés du bicyclo [2, 2, 2] octane et du 1-azabicyclo [2, 2, 2] octane (quinuclidine)" @default.
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- W2040375170 doi "https://doi.org/10.1002/bscb.19640730309" @default.
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