Facile synthesis of 1,4-diketones via three-component reactions of α-ketoaldehyde, 1,3-dicarbonyl compound, and a nucleophile in water?

Green Chemistry Pub Date: 2018-02-06 DOI: 10.1039/C7GC03644B

Abstract

Three-component reactions of alkylglyoxals, 1,3-dicarbonyl compounds, and a nucleophile were performed under aqueous and catalyst-free conditions, which produced 1,4-diketone scaffolds in a straightforward way. Many compounds, such as indole, azaindole, pyrrole, 2-methylfuran, N,N-dimethylaniline, N-methylaniline, thiophenol, and benzyl mercaptan, were all able to act as nucleophiles to react with alkylglyoxal and 1,3-dicarbonyl compounds. The mechanim of this reaction was also investigated. The obtained 1,4-diketones can be easily converted to many valuable chemicals.

Graphical abstract: Facile synthesis of 1,4-diketones via three-component reactions of α-ketoaldehyde, 1,3-dicarbonyl compound, and a nucleophile in water
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