Abstract
In recent years, the increased use of antioxidant compounds in food, rubber, plastic, cosmetic and pharmaceutical industries has been encouraged the organic chemists to develop new protocols for the synthesis of antioxidant derivatives. In this review, a brief introduction to six families of organic compounds with antioxidant properties including alkylated phenols, bisphenolic compounds, trisphenols, Xanthenes, Flavanones and Chromenes is provided and their applications in miscellaneous fields are highlighted. Then, as the main goal of this review, a comprehensive view about the development of catalytic systems used for the synthesis of these six families, with emphasis on the role of recoverable catalysts and nanocatalysts, is presented.
Keywords: Antioxidant, nanocatalyst, phenolic compounds, xanthenes, flavanones, chromenes.
Graphical Abstract
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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