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Iron-Catalyzed Cross-Coupling Reactions of Alkyl-Grignard Reagents with Aryl Chlorides, Tosylates, and Triflates

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Fürstner,  A.
Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Leitner,  A.
Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Fürstner, A., & Leitner, A. (2002). Iron-Catalyzed Cross-Coupling Reactions of Alkyl-Grignard Reagents with Aryl Chlorides, Tosylates, and Triflates. Angewandte Chemie International Edition, 41(4), 609-612. doi:10.1002/1521-3773(20020215)41:4<609:AID-ANIE609>3.0.CO;2-M.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-65A4-D
Abstract
Aryl chlorides are better substrates than the corresponding bromides or iodides in the presented cross-coupling with alkyl Grignard reagents that is catalyzed by iron salts (see scheme); even aryl tosylates are converted efficiently. This situation is attributed to a novel catalytic cycle, which probably involves iron complexes with formally negative oxidation states (probably Fe−II).