Add time:07/15/2019         Source:sciencedirect.com

This review presents a systematic survey of the literature (through the end of 2014) for de novo syntheses of 3-pyrrolin-2-ones from acyclic precursors or via transformation of other cyclic systems such as pyrroles, pyrrolidinone, and maleimides. One-component intramolecular cyclization approaches, two-component intermolecular cyclization approaches, and multicomponent intermolecular cyclization approaches are treated separately and organized based on the location(s) of the new bonds that are formed in the construction of the 3-pyrrolin-2-one ring system. 3-Pyrrolin-2-ones make important synthetic targets due to their occurrence in natural products, their diverse biological activity, and their utility as building blocks for the preparation of other materials.

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