Journal of Organic Chemistry p. 3126 - 3132 (1987)
Update date:2022-08-11
Topics:
Ulan, Judith G.
Kuo, Emilio
Maier, Wilhelm F.
Rai, Raghaw S.
Thomas, Gareth
The effect of the Lindlar treatment in the preparation of Pd catalyst for the cis-selective hydrogenation of alkynes is investigated with hydrogenation studies on 2-hexyne.The study emphasizes the effect of lead on the hydrogenation selectivity of Pd catalyst.The role of the additives in the catalysts is examined by transmission electron microscopy.The effect of lead deposition on the catalytic activity and selectivity of Pd surfaces is studied with lead-coated Pd foils.No selectivity enhancing effects of the deposition of lead on the Pd particles could be identified
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