1706. KAZANSKII, B. A., LIBERMAN, A. L., PLATÉ, A. F., ROZENGART, M. I., AND STERLIGOV, O. D. [Laboratory Method for Rapid Hydrogenation of Olefins at Atmospheric Pressure.] Doklady Akad. Nauk S.S.S.R., vol. 71, 1950, p. 477-480; Chem. Abs., vol. 44, 1950, p. 8313.

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1706. KAZANSKIĬ, B. A., LIBERMAN, A. L., PLATÉ, A. F., ROZENGART, M. I., AND STERLIGOV, O. D. [Laboratory Method for Rapid Hydrogenation of Olefins at Atmospheric Pressure.] Doklady Akad. Nauk S.S.S.R., vol. 71, 1950, p. 477-480; Chem. Abs., vol. 44, 1950, p. 8313.

Platinized C activated by a small amount of PdCl₂ or H₂PtCl₆ is a very active, rapidly acting catalyst for atmospheric pressure hydrogenation of olefins even without added solvents. A considerable economy in the amounts of catalysts needed is one of the results. Sample reductions were performed in a rocking flask with 50-200 ml. charges and platinized charcoal containing 0.01-0.05 gm. Pt to which was added 1-2.85 ml. of the activator solution (either 0.03 gm. Pt/ml. of H₂PtCl₆, or 0.018 gm. Pd/ml. of PdCl₂ solution); the reductions were complete in 3-8 hr. (usually 97%), and after filtration the products were distilled.