Coumarin and its derivatives are widely used as scaffolds in the synthesis of new heterocyclic systems. This review focuses on current developments in the synthesis of heterocyclic coumarin compounds. Numerous approaches especially involving nanoparticle catalysts have been developed to get new bioactive coumarin derivatives endowed with pharmacological and biological activities. The present work describes the reactivity and the new strategies using various catalysts for the synthesis of coumarin and its derivatives reported in the literature and their biological properties.
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Heterocyclic compounds containing the quinoline ring play a significant role in organic synthesis and therapeutic
chemistry. Polyfunctionalized quinolines have attracted the attention of many research groups, especially those who work on
the drug discovery and development. These derivatives have been widely explored by the research biochemists and are
reported to possess wide biological activities. This review focuses on the recent progress in the synthesis of heterocyclic
compounds based-quinoline and their potential biological activities.
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N,O-heterocycles containing the dicarbonyl ring play a significant role in heterocyclic and therapeutic chemistry. Since the discovery of 1,3-diketones, numerous research works have been achieved regarding the synthesis and its chemical reactivity. In this review, we have described the most relevant publications involving β-diketone compounds published during the period between 2018 to date. In addition, we include the 1,3-diketones-based heterocyclic compounds prepared by various synthetic methodologies.
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