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Ruthenium-Catalyzed E-Selective Alkyne Semihydrogenation with Alcohols as Hydrogen Donors

Andreas Ekebergh, Romain Begon and Nina Kann*

*Chemistry and Biochemistry, Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-41296 Göteborg, Sweden, Email: kannchalmers.se

A. Ekebergh, R. Begon, N. Kann, J. Org. Chem., 2020, 85, 2966-2975.

DOI: 10.1021/acs.joc.9b02721 (free Supporting Information)



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Abstract

A simple ruthenium catalyst achives a semihydrogenation of diaryl alkynes to the corresponding E-alkenes in very good yields using alcohols as the hydrogen source. Best results were obtained using benzyl alcohol as the hydrogen donor, although biorenewable alcohols such as furfuryl alcohol could also be applied.

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Key Words

semihydrogenation, benzyl alcohol


ID: J42-Y2020