1. Die Hydrolyse der Salze schwacher einbasischer Säuren zu schwerlöslichen Hydroxyverbindungen wird theoretisch behandelt, und es wird gezeigt, dass, falls auch das Ausgangsmaterial schwerlöslich ist, sich die Konzentration der entstehenden freien Säure aus den Löslichkeitsprodukten der Ausgangsverbindung und des Endproduktes berechnen lässt.
Nuclear magnetic resonance spectra of a number of isomeric 4-substituted-1 -methylcyclohexanes are reported. These spectra substantiate the useful stereochemical generalization that the signals due to the ring protons of a diequatorial isomer appear as a significantly broader envelope than do those which arise from the ring protons of the corresponding nondiequatorial form.
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