Visible light-driven cross-coupling reactions of alkyl halides with phenylacetylene derivatives for C(sp3)–C(sp) bond formation catalyzed by a B12 complex

Visible light-driven cross-coupling reactions of alkyl halides with phenylacetylene and its derivatives catalyzed by the cobalamin derivative (B12) with the [Ir(dtbbpy)(ppy)2]PF6 photocatalyst at room temperature are reported. The robust B12 catalyst and Ir photocatalyst provided high turnover numbe...

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Published inChemical communications (Cambridge, England) Vol. 55; no. 87; pp. 13070 - 13073
Main Authors Chen, Li, Kametani, Yohei, Imamura, Kenji, Abe, Tsukasa, Shiota, Yoshihito, Yoshizawa, Kazunari, Hisaeda, Yoshio, Shimakoshi, Hisashi
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 2019
Subjects
Chemical reactions
Coupling (molecular)
Cross coupling
Derivatives
Halides
Photocatalysts
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Summary:Visible light-driven cross-coupling reactions of alkyl halides with phenylacetylene and its derivatives catalyzed by the cobalamin derivative (B12) with the [Ir(dtbbpy)(ppy)2]PF6 photocatalyst at room temperature are reported. The robust B12 catalyst and Ir photocatalyst provided high turnover numbers of over 33 000 for the reactions.
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ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc06185a