Conclusions
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1.
We have prepared palladium complexes anchored to amino-containing silica gels that are active in the hydrogenation of C-C bonds and of the C=N bonds of Schiff bases.
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2.
In the presence of a palladium complex linked to silica gel containing γ-aminopropyl groups the double bonds hydrogenated stepwise and selectively: cyclopentadiene to cyclopentene, methylcyclopentadiene to methylcyclopentene, dimethylethynylcarbinol to dimethylvinylcarbinol, and Schiff bases to secondary amines.
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3.
Palladium complexes on supports modified with aminomethyl and tert-aminomethyl groups are unstable and are reduced by hydrogen, liberating palladium metal.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 104–108, January, 1979.
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Sharf, V.Z., Gurovets, A.S., Finn, L.P. et al. Catalytic activity of metal complexes anchored to a solid support. 2. Synthesis of palladium complexes on amino-containing silica gels and their properties in the hydrogenation of C=C, C≡C, and C=N bonds. Russ Chem Bull 28, 93–96 (1979). https://doi.org/10.1007/BF00925404
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DOI: https://doi.org/10.1007/BF00925404