2013
DOI: 10.1002/ange.201209060
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Organische Elektronendonoren als leistungsfähige Ein‐Elektronen‐Reduktionsmittel in der organischen Synthese

Abstract: In der organischen Chemie wird die Ein‐Elektronen‐Reduktion häufig verwendet, um eine Radikalbildung durch den schrittweisen Transfer von einem oder zwei Elektronen von einem Donor auf ein organisches Substrat zu realisieren. Neben den metallischen Reagentien haben sich Reduktionsmittel auf der Basis neutraler organischer Moleküle, die einen Ein‐Elektronen‐Transfer ermöglichen, als eine attraktive neue Quelle für reduzierende Elektronen erwiesen. In den letzten zwanzig Jahren ist eine besondere Klasse organisc… Show more

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Cited by 61 publications
(3 citation statements)
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References 252 publications
(150 reference statements)
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“…Recently, the emergence of nickel/photoredox dual catalysis [11] could enable the reductive cross-couplings performed in the presence of ideal organic reductants [12] instead of aforementioned metal reductants. This photoredox-assisted reductive strategy has been quickly applied in nickel-catalyzed CÀC cross-couplings between aryl and alkyl halides.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, the emergence of nickel/photoredox dual catalysis [11] could enable the reductive cross-couplings performed in the presence of ideal organic reductants [12] instead of aforementioned metal reductants. This photoredox-assisted reductive strategy has been quickly applied in nickel-catalyzed CÀC cross-couplings between aryl and alkyl halides.…”
Section: Introductionmentioning
confidence: 99%
“…Indeed, OEDs can form radical or anionic intermediates by the spontaneous stepwise transfer of one or two electrons to organic substrates under mild conditions (Scheme 2). [8] Thanks to their totally neutral organic structures and their large array of negative redox potentials,t hese reducers have attracted considerable attention in organic synthesis [9,10] and industrially-relevant research. [11,12] Among them, the bispyridinylidene OED-3 is av ery powerful two-electron donor with ah igh negative potential (E 1/2 = À1.24 Vv s. SCE).…”
Section: Introductionmentioning
confidence: 99%
“…In a number of cases these photocatalytically generated radicals have proven capable of undergoing addition to alkenes . Upon addition, a new alkyl radical is generated that has been oxidized, reduced, or subjected to hydrogen atom transfer (HAT) (Scheme ). Of note, is the inherent selectivity that is observed for the addition to the less substituted terminus of the double bond.…”
Section: Introductionmentioning
confidence: 99%