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Long-range anion relay chemistry (LR-ARC): a validated ARC tactic.
1Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.
Organic Letters
|December 11, 2012
Summary
Researchers developed new linchpins for Anion Relay Chemistry (ARC) that enable iterative silyl group migrations. This allows for long-range charge relocation, creating reactive sites for alkylation and coupling reactions.
Area of Science:
- Organic Chemistry
- Synthetic Chemistry
Background:
- Anion Relay Chemistry (ARC) facilitates the transfer of anionic intermediates.
- Silyl groups are commonly used protecting or directing groups in organic synthesis.
Purpose of the Study:
- To design and synthesize novel linchpins for Anion Relay Chemistry (ARC).
- To enable iterative silyl group migrations for remote functionalization.
Main Methods:
- Design and synthesis of specialized linchpin molecules.
- Validation of iterative silyl group migration.
- Application in alkylation and palladium-catalyzed coupling reactions.
Main Results:
- Successful synthesis and validation of ARC linchpins.
- Demonstration of iterative silyl group migration.
- Generation of distal nucleophilic centers for C-C bond formation.
Conclusions:
- The developed linchpins are effective for long-range charge relocation via iterative silyl group migrations.
- This strategy expands the utility of Anion Relay Chemistry for complex molecule synthesis.
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