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Hantzsch esters: an emerging versatile class of reagents in photoredox catalyzed organic synthesis

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Abstract

Hantzsch esters were often previously used as reductants in thermal catalytic hydrogenation reactions. Over the last few decades, Hantzsch esters have proven to be a useful class of electron donors and proton sources in photoredox catalyzed processes. Moreover, under photoredox catalytic conditions, alkyl-1,4-dihydropyridines can serve as versatile types of alkylation reagents via oxidative fragmentation mechanisms. This minireview highlights the recent advances in the chemistry of Hantzsch esters in photoredox catalyzed organic synthesis, with particular emphasis placed on reaction mechanisms. We hope that this review will inspire further new reaction design and developments with such a class of readily accessible reagents.

Graphical abstract: Hantzsch esters: an emerging versatile class of reagents in photoredox catalyzed organic synthesis

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Publication details

The article was received on 04 Jun 2019, accepted on 26 Jun 2019 and first published on 27 Jun 2019


Article type: Review Article
DOI: 10.1039/C9OB01289C
Org. Biomol. Chem., 2019, Advance Article

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    Hantzsch esters: an emerging versatile class of reagents in photoredox catalyzed organic synthesis

    P. Wang, J. Chen and W. Xiao, Org. Biomol. Chem., 2019, Advance Article , DOI: 10.1039/C9OB01289C

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