Visible-Light Photoredox Catalysis: Dehalogenation of Vicinal Dibromo-, alpha-Halo-, and alpha,alpha-Dibromocarbonyl Compounds

Maji, Tapan and Karmakar, Ananta and Reiser, Oliver (2011) Visible-Light Photoredox Catalysis: Dehalogenation of Vicinal Dibromo-, alpha-Halo-, and alpha,alpha-Dibromocarbonyl Compounds. JOURNAL OF ORGANIC CHEMISTRY, 76 (2). pp. 736-739. ISSN 0022-3263,

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Abstract

vic-Dibromo-, alpha-halo-, or alpha,alpha-dibromocarbonyl compounds can be efficiently dehalogenated using catalytic tris(2,2'-bipyridyl)ruthenium dichloride (Ru(bpy)(3)Cl-2) in combination with 1,5-dimethoxynaphthalene (DMN) and ascorbate as sacrificial electron donor. For this process, a visible light promoted photocatalytic cycle is proposed that involves the reduction of carbon halogen bonds via free radical intermediates.

Item Type: Article
Uncontrolled Keywords: STEREOSELECTIVE DEBROMINATION; MICROWAVE IRRADIATION; IONIC LIQUID; KETONES; CYCLIZATIONS; ALDEHYDES; INDIUM;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser
Depositing User: Dr. Gernot Deinzer
Date Deposited: 29 Jun 2020 05:37
Last Modified: 29 Jun 2020 05:37
URI: https://pred.uni-regensburg.de/id/eprint/21384

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