Oxidative Heterocycle Formation Using Hypervalent Iodine(III) Reagents
Sandip Murarka1, Andrey P Antonchick2,3
1Department of Chemical Biology, Max-Planck Institute for Molecular Physiology, Otto-Hahn Strasse 11, Dortmund, 44227, Germany.
Hypervalent iodine(III) reagents are versatile tools for synthesizing and modifying heterocyclic compounds. This chapter explores their use in both creating new heterocycles and functionalizing existing ones.
Area of Science:
- Organic Chemistry
- Synthetic Chemistry
- Medicinal Chemistry
Background:
- Hypervalent iodine(III) reagents are powerful oxidants and electrophilic sources.
- Heterocyclic compounds are crucial scaffolds in pharmaceuticals and materials science.
- Efficient synthesis and functionalization of heterocycles remain a key challenge in organic chemistry.
Purpose of the Study:
- To provide a comprehensive overview of hypervalent iodine(III) reagents in heterocyclic chemistry.
- To highlight the utility of these reagents in de novo synthesis of heterocycles.
- To showcase their application in late-stage functionalization of heterocyclic systems.
Main Methods:
- Review of literature on hypervalent iodine(III) mediated reactions.
- Categorization of synthetic strategies based on reagent application.
- Analysis of reaction mechanisms and scope.
Main Results:
- Demonstrated versatility of hypervalent iodine(III) reagents in constructing diverse heterocyclic frameworks.
- Showcased efficient methods for introducing various functional groups onto pre-existing heterocycles.
- Highlighted the mild reaction conditions and functional group tolerance of these reagents.
Conclusions:
- Hypervalent iodine(III) reagents offer a powerful and adaptable platform for heterocyclic synthesis and functionalization.
- Their application facilitates the development of novel heterocyclic compounds with potential biological activity.
- Continued exploration of hypervalent iodine(III) chemistry promises further advancements in synthetic methodology.
More Related Videos
12:27Synthesis of Hypervalent Iodonium Alkynyl Triflates for the Application of Generating Cyanocarbenes
Published on: September 8, 2013
06:34Synthesis of Antiviral Tetrahydrocarbazole Derivatives by Photochemical and Acid-catalyzed C-H Functionalization via Intermediate Peroxides CHIPS
Published on: June 20, 2014
Related Concept Videos
Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene
Cycloaddition Reactions: Overview
Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide
Regioselectivity of Electrophilic Additions-Peroxide Effect
Cyclohexenones via Michael Addition and Aldol Condensation: The Robinson Annulation
Preparation of Epoxides
Epoxides result from alkene oxidation, which can be achieved by a) air, b) peroxy acids, c) hypochlorous acids, and d) halohydrin cyclization.
Epoxidation with Peroxy Acids
Epoxidation of alkenes via oxidation with peroxy acids involves the conversion of a carbon–carbon double bond to an epoxide using the oxidizing agent meta-chloroperoxybenzoic acid, commonly known as MCPBA. Since the O–O bond of peroxy acids is very weak, the addition of electrophilic oxygen of peroxy acids to...
