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Stereoselective alkyne semihydrogenations with an air-stable copper(I) catalyst

Thiel, Niklas O.; Teichert, Johannes F.

An air-stable and preactivated copper(I) hydroxide/N-heteroyclic carbene (NHC) complex for alkyne semihydrogenations is reported. Next to an enhanced practicability of the process, the resulting alkenes are obtained with high Z-selectivities and no overreduction to the corresponding alkanes.
Published in: Organic & biomolecular chemistry : OBC, 10.1039/c6ob02271e, Royal Society of Chemistry