Green Molecular Transformation in Dual Catalysis: Photoredox Activation of Vitamin B<sub>12</sub> Using Heterogeneous Photocatalyst
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- タイトル別名
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- Green Molecular Transformation in Dual Catalysis: Photoredox Activation of Vitamin B_12 Using Heterogeneous Photocatalyst
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説明
This concept focuses on dual-catalysis using metal complexes and heterogeneous photocatalysts. Vitamin B_12 derivatives are sophisticated metal complexes that facilitate enzymatic reactions in the biological systems. The B_12 enzymes inspired reactions catalytically proceed in dual-catalyst systems of B_12 derivatives and heterogeneous photocatalysts, such as titanium oxide (TiO_2) and metal-organic frameworks (MOFs), under light irradiation. The cobalt ions in vitamin B12 derivatives are effectively reduced by photoexcited photocatalysts, producing low-valent Co(I) species. The photoinduced nucleophilic Co(I) species react with an alkyl halide to form an organometallic complex with a Co-C bond. The Co-C bond dissociates during photolysis to generate alkyl radicals. Based on this mechanism, dual-catalysis effectively promotes various light-driven organic syntheses and light-driven dehalogenation reactions of toxic alkyl halides. The concepts of the dual-catalyst system and recent progress in this field are discussed in this concept.
収録刊行物
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- ChemPlusChem
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ChemPlusChem 89 (6), e202400041-, 2024-03-12
Wiley
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詳細情報 詳細情報について
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- CRID
- 1050303395628682624
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- ISSN
- 21926506
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- HANDLE
- 2324/7169321
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- Crossref
- KAKEN