Visible-light-driven proton reduction for semi-hydrogenation of alkynes via organophotoredox/manganese dual catalysis

Described here is a unprecedented organophotoredox/manganese dual catalyzed proton reduction and its application for semi-reduction of alkynes. The catalytic active pre-catalyst [Mn-1] can be feasibly be prepared on gram-scale from Mn(acac) ·2H O in air. This dual catalytic protocol features noble-m...

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Published inRSC advances Vol. 12; no. 55; pp. 36138 - 36141
Main Authors Wang, Xiao-Yu, He, Yong-Qin, Wang, Mei, Zhou, Yi, Li, Na, Song, Xian-Rong, Zhou, Zhao-Zhao, Tian, Wan-Fa, Xiao, Qiang
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 12.12.2022
The Royal Society of Chemistry
Subjects
Alkynes
Catalysis
Catalysts
Chemistry
Manganese
Noble metals
Protons
Stereoselectivity
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Summary:Described here is a unprecedented organophotoredox/manganese dual catalyzed proton reduction and its application for semi-reduction of alkynes. The catalytic active pre-catalyst [Mn-1] can be feasibly be prepared on gram-scale from Mn(acac) ·2H O in air. This dual catalytic protocol features noble-metal-free catalysts, simple ligand, and mild conditions. Besides, a unique -halogen and -hydroxyl effect was observed to achieve high -stereoselectivity.
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X.-Y. Wang and Y.-Q. He contributed equally to this work.
ISSN:2046-2069
2046-2069
DOI:10.1039/d2ra07920h