Intermolecular Cyclopropanation of Styrenes Using Iodine and Visible Light via Carbon–Iodine Bond Cleavage

Intermolecular Cyclopropanation of Styrenes Using Iodine and Visible Light via Carbon–Iodine Bond Cleavage

The intermolecular cyclopropanation of aromatic olefins with activated methylene compounds using iodine and visible light irradiation was described. This reaction proceeds under rare-metal-free conditions. Styrenes with various substituted groups (alkyl and electron-withdrawing groups) provided corr...

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Veröffentlicht in:Organic letters 2016-01, Vol.18 (1), p.8-11
Hauptverfasser: Usami, Kaoru, Nagasawa, Yoshitomo, Yamaguchi, Eiji, Tada, Norihiro, Itoh, Akichika
Format: Artikel
Sprache:eng
Schlagworte:
Carbon - chemistry
Catalysis
Cyclopropanes - chemistry
Iodine - chemistry
Molecular Structure
Styrenes - chemistry
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Zusammenfassung:The intermolecular cyclopropanation of aromatic olefins with activated methylene compounds using iodine and visible light irradiation was described. This reaction proceeds under rare-metal-free conditions. Styrenes with various substituted groups (alkyl and electron-withdrawing groups) provided corresponding cyclopropanes in moderate to good yields.
ISSN:1523-7060
1523-7052
DOI:10.1021/acs.orglett.5b02957