ChemInform Abstract: Acid-Catalyzed Enamine-Induced Transformations of 1,3-Dimethyl-5- formyluracil. A Unique Annulation Reaction with Enaminones.
Abstract
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ChemInform Abstract
The title uracil (I) reacts with the enaminones (II) and (V) to give annulation products (III) and (VI) along with a Hantzsch type derivative (IV). However, with the β-aminocrotonate (VII) and the aminouracil (X), subsequent transformation products are formed.