On the Surface-Catalyzed Reaction between the Gases 2,2-Dimethylpropanal and Methanamine. Formation of Active-Site Imines

The reaction that occurs when vapors of 2,2-dimethylpropanal and methanamine are allowed to mix in an infrared gas cell has been examined. The disappearance of starting materials and formation of E-imine product, monitored simultaneously, is best fit by a process involving wall-associated water. The same or closely related processes have been successfully modeled; such processes may also be common to pyridoxal-catalyzed transamination and related reactions in biological systems.

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