Summary
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1.
It was found that, in the hydrogenation of isopropenylcyclopropane in alcoholic solution at room temperature and atmospheric pressure in presence of platinum black, 1.3 molecular proportions of hydrogen are added and a mixture of 70% isopropylcyclopropane and 30% 2-methylpentane is formed.
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2.
It was shown that the 2-methylpentane present in the catalyzate is formed under these conditions by the hydrogenation of 2-methyl-1-pentene and 2-methyl-2-pentene formed as intermediate products.
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3.
It was shown that isopropylcyclopropane is not hydrogenated under these conditions.
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4.
It was found that isomerization of 2-methyl-l-pentene and 2-methyl-2-pentene into one another does not occur in presence of platinum, whereas such isomerization was observed in experiments with palladium black.
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B. A. Kazansky, M. Yu. Lukina, A. I. Malyshev, V. T. Aleksanyan, and Kh. E. Sterin, Bull. Acad. Sci. USSR, Div. Chem. Sci. 1956, 36 (T.p. 35).'
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F. D. Rossini et al. Selected Values of Physical and Thermodynamic Properties of Hydrocarbons and Related Compounds (Pittsburgh, 1953).
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P. A. Bazhulin, A. F. Plate, O. P. Solovova, and B. A. Kazanksy, Bull. Acad. Sci. USSR, Div. Chem. Sci. 1941, 18.
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Kazansky, B.A., Lukina, M.Y., Malyshev, A.I. et al. Hydrogenation of isopropenylcyclopropane in presence of platinum black. Russ Chem Bull 5, 1119–1125 (1956). https://doi.org/10.1007/BF01177365
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DOI: https://doi.org/10.1007/BF01177365