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Methanol as the Hydrogen Source in the Selective Transfer Hydrogenation of Alkynes Enabled by a Manganese Pincer Complex

Jan Sklyaruk, Viktoriia Zubar, Jannik C. Borghs and Magnus Rueping*

*KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia, Email:

J. Sklyaruk, V. Zubar, J. C. Borghs, M. Rueping, Org. Lett., 2020, 22, 6067-6071.

DOI: 10.1021/acs.orglett.0c02151


An air and moisture stable manganese pincer complex catalyzes the semireduction of various alkynes to the corresponding (Z)-olefins in high yields. The reaction is stereo- and chemoselective and scalable.

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proposed mechanism

Key Words

semireduction of alkynes, methanol

ID: J54-Y2020