A comparative study of the hydrogenation of 1-furyl-2-methyl-aminopropane in the vapor phase at 300° on Os-C, Rh-C, and skeletal Pd-Al and Cu-Al catalysts is reported.
On all these catalysts the initial reaction was hydrogenolysis of the furan ring at the C-O bond not adjacent to the substituent. This led to the formation of 2-n-propyl-4-methylpyrrole (50–85%). The best catalyst for this conversion was skeletal Cu-Al (85%).
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Shuikin, N.I., Bel'skii, I.F. & Skobtsova, G.E. The catalytic conversion of amines of the furan series into homologues of pyrrole. Russ Chem Bull 12, 340–341 (1963). https://doi.org/10.1007/BF00846411
- Vapor Phase
- Initial Reaction