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Recent Advances in the Catalytic One-Pot Synthesis of Flavonoids and Chromones

[ Vol. 17 , Issue. 14 ]

Author(s):

Manijeh Mohadeszadeh and Mehrdad Iranshahi*   Pages 1377 - 1397 ( 21 )

Abstract:


Background: Flavonoids and chromones are two important classes of natural products that have various biological properties. During the past 10 years, there has been a significant increase in studies on the one-pot synthesis of flavonoids and chromones as medicinal scaffolds in drug discovery.

Objective: This review describes the scope, mechanistic properties and regio- and chemo-selectivity features of several recently developed one-pot procedures for the synthesis of substituted chromones and flavonoids that have recently been published. Special importance is placed on the most promising and exciting medicinal applications of flavonoids and chromones. In this review, we discuss the progress on the synthesis of flavonoid and chromone derivatives in the presence of metal catalysts, organocatalysts, solid surfaces, microwave irradiation, acid and base catalysis, etc. For example, flavones can be prepared via the catalytic coordination of palladium complexes in a short time and at a low temperature with a high yield.

Result: Additionally, the one-pot synthesis of 2-substituted chromones via metal triflate (Yb(OTf)3) has provided the best result for this type of reaction with a high yield and a high regio and chemoselectivity. Generally, this review proposes the first specific overview of this developing and rapidly expanding field of flavonoid synthesis. We also discuss the mechanisms and advantages and disadvantages of methods for the synthesis of flavonoids and chromones.

Keywords:

Catalysis, chromones, flavonoids, heterocycles, one-pot synthesis, pharmacophores.

Affiliation:

Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Biotechnology Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad

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