Magnesium-Catalyzed Stereoselective Hydrostannylation of Internal and Terminal Alkynes
Marc Magre, Marcin Szewczyk and Magnus Rueping*
*Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany, Email: magnus.ruepingrwth-aachen.de
M. Magre, M. Szewcyk, M. Rueping, Org. Lett., 2020, 22, 1594-1598.
DOI: 10.1021/acs.orglett.0c00184 (free Supporting Information)
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A regio- and stereoselective magnesium-catalyzed hydrostannylation of internal and terminal alkynes provides the desired products with excellent yields and selectivities. A wide range of terminal and internal symmetrical and unsymmetrical alkynes can be converted using this alkaline earth metal catalyst as an effective alternative to transition metal catalysts.
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