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Published on: June 21, 2017
Aminoalkylation of Alkenes Enabled by Triple Radical Sorting
William L Lyon1, Johnny Z Wang1, Jesús Alcázar2
1Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States.
Researchers developed a new three-component reaction for synthesizing complex C(sp3)-rich molecules from simple alkenes. This innovative method uses photoredox catalysis and triple radical sorting for efficient aminoalkylation, creating valuable pharmaceutical building blocks.
Area of Science:
- Synthetic organic chemistry
- Catalysis
- Medicinal chemistry
Background:
- Direct synthesis of C(sp3)-rich architectures is crucial for developing new drugs.
- These scaffolds enhance drug properties and clinical success.
- Accessing sp3-rich molecules from readily available feedstocks like alkenes is a key challenge.
Purpose of the Study:
- To develop a novel three-component aminoalkylation reaction.
- To enable regioselective radical addition across alkenes.
- To create efficient pathways to sp3-rich molecular scaffolds.
Main Methods:
- Utilized photoredox catalysis for radical generation.
- Employed triple radical sorting principles for regioselectivity.
- Developed a three-component reaction involving alkenes, N-centered, and C-centered radicals.
Main Results:
- Demonstrated a novel three-component aminoalkylation reaction.
- Achieved regioselective addition of N- and C-centered radicals across alkenes.
- Showcased a broad scope of coupling partners and synthetic applications.
Conclusions:
- The developed method provides efficient access to sp3-rich molecules.
- Facilitates the synthesis of pharmacophoric substituted N-heterocycles.
- Offers a valuable new tool for synthetic organic chemistry and drug discovery.
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