Selective liquid-phase semihydrogenation of functionalized acetylenes and propargylic alcohols with silica-supported bimetallic palladium-copper catalysts
MPR Spee, J Boersma, MD Meijer…
Index: Spee; Boersma; Meijer; Slagt; Van Koten; Geus Journal of Organic Chemistry, 2001 , vol. 66, # 5 p. 1647 - 1656
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Citation Number: 66
Abstract
Silica-supported, bimetallic palladium-copper catalysts were prepared in solution under mild conditions by reacting lithium di (4-tolyl) cuprate with palladium acetate in the presence of silica particles. Small bimetallic palladium-copper particles were deposited on the silica surface as confirmed with TEM-EDAX and EXAFS. The new material has been applied as catalyst in the liquid-phase semihydrogenation of mono-and disubstituted alkynes and ...
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