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The Raney Ni-catalyzed hydrogenation of alkenes and alkynes has been developed. Et3SiH was chosen as the reductant. Substrates with various substituents were reduced at ambient temperature, affording good to excellent yields. No pressure reactor, heating, or inert atmosphere is required and the catalyst can be removed/recycled by simple filtration.
Raney Ni-catalyzed hydrogenation of alkenes and alkynes using Et3SiH as the reductant at ambient temperature. [Display omitted]