Bromonitroalkenes as efficient intermediates in organic synthesis

Area of Science:

• Organic Chemistry
• Synthetic Chemistry

Background:

• Bromonitroalkenes are key intermediates synthesized from nitroalkenes via bromination.
• Their reactivity stems from dual electrophilic and nucleophilic characteristics.

Purpose of the Study:

• To review the synthetic applications of bromonitroalkenes.
• To showcase their utility in constructing complex molecular scaffolds and biologically active compounds.

Main Methods:

• Review of approximately 55 papers published between 2000 and 2023.
• Analysis of reactions involving bromonitroalkenes with diverse mono- and bi-functional molecules.

Main Results:

• Bromonitroalkenes react with a wide array of substrates (aldehydes, ketones, active methylene compounds, etc.).
• These reactions yield various biologically relevant scaffolds, including heterocycles, carbocycles, spirocycles, and natural products.
• Efficient application in asymmetric cascade/domino/tandem reactions catalyzed by chiral catalysts was demonstrated.

Conclusions:

• Bromonitroalkenes are valuable building blocks in organic synthesis.
• Their diverse reactivity enables the construction of complex and biologically significant molecules.
• Their application in asymmetric catalysis offers new avenues for stereoselective synthesis.