Abstract
The importance of pyran-2-one as synthon has been significantly realized due to its unique structural features that fascinated organic chemists for extensive investigation. These compounds are endowed with electrophilic and nucleophilic centers in their molecular make up that responsible for substitution, addition, photochemical and ring transformation reactions. The past reviews have mostly covered the addition, photochemical and some substitution reactions. This review provides the comprehensive updated literature on the chemistry of pyran-2-one with special emphasis on ring transformation reactions.
Keywords: Versatile Synthon, ring transformation reactions, IR spectra, pyran-2-one ring, C-nucleophiles, higher electron density, nucleophilic displacement, ethyl mercaptoacetate, cyanomethylbenzthiazole
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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