Synthesis of 3-(N-arylcarbamoyl)chromones from 2-hydroxyarylaminoenones and isocyanates
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A new method for the synthesis of 2-unsubstituted and 2-substituted 3-(N-arylcarbamoyl)-chromones by the reaction of 3-dimethylamino-1-(2-hydroxyaryl)prop-2-en-1-ones with arylisocyanates has been proposed.
Key wordsheterocyclic compounds chromones enaminones amides isocyanates
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