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Stereoselective hydrogenation of 11-hexadecyne-l-ol on supported copper catalysts
Authors:A. M. Pak  O. I. Kartonozhkina  S. K. Slepov  G. T. Izdebskaya
Affiliation:(1) D. V. Sokol'sky Institute of Organic Catalysis and Electrochemistry, National Academy of Sciences of the Republic of Kazakhstan, 142 ul. Kunaeva, 480100 Alma-Ata, Kazakhstan
Abstract:Hydrogenation of 11-hexadecyne-l-ol on 5–30 % copper catalysts supported on gamma-A12O3 and MgCO3 results incis-11-hexadecyne-1-ol in 100 % yield. Hydrogenation does not occur on 5–30 % Cu/ZnO catalysts. The difference in behavior of the catalysts is connected with the valent state of copper on the surface and different hydrogen chemisorption.Positive conclusion on the application No. 930071.1 of 16.06.93 for the Kazakhstan preliminary Patent (A. M. Pak, O. 1. Kartonozhkina, and G. T. lzdebskaya).Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 1147–1150, May, 1996.
Keywords:11-hexadecyne-1-ol  stereoselective hydrogenation  cis-11-hexadecyne-1-ol  copper catalysts  zero-valent state of copper  concerted addition
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