Conclusions
In hydrogenation in the vapor phase on a skeletal nickel-aluminum catalyst at 290–300°, 1 -furyl-2-alkyl-3-aminopropanes are convened as a result of “conjugated” hydrogenolysis of the furan ring at the 1,5-1,5- and 4,5-, as well as 1,5- and 3,4-bonds, to 2-methyl-, 2-ethyl-, and 2-n-propyl-4-alkylpyrroles, in yields of 30, 25, and 45%, respectively.
Literature cited
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Translated from Izvestiya Akademii Nauk SSSR, Setiya Khimicheskaya, No. 6, pp. 1118–1120, June, 1964
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Bel'skii, I.F., Shuikin, N.I. & Skobtsova, G.E. On the catalytic transformation of furan amines to 2,4-dialkylpyrroles. Russ Chem Bull 13, 1037–1039 (1964). https://doi.org/10.1007/BF01141666
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DOI: https://doi.org/10.1007/BF01141666