Process for the manufacture of 4-amino-3-aminomethylpiperidine

Details Process for the manufacture of 4-amino-3-aminomethylpiperidine Process for the manufacture of 4-amino-3-aminomethylpiperidine

1974-06-10

1976-07-27

Todd, G. Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D21198

Patent

active

039717925

ABSTRACT:
The new compound 4-amino-3-aminomethylpiperidine is manufactured by hydrogenating 4-amino-3-cyano-1,2,5,6-tetrahydropyridine under pressure and in the presence of ammonia and a hydrogenation catalyst. The 4-amino-3-cyano-1,2,5,6-tetrahydropyridine used as the starting substance can be obtained by cyclization of bis-cyanoethylenated ammonia. The new compound 4-amino-3-aminomethylpiperidine represents a valuable curing agent for epoxide resins, and advantageously 0.5 to 1.3 equivalents of nitrogen-bonded active hydrogen atoms of the 4-amino-3-aminomethylpiperidine are used per 1 equivalent of epoxide groups of the polyepoxide compound.

REFERENCES:
patent: 3481938 (1969-12-01), Chicherry et al.
patent: 3658824 (1972-04-01), Thoma et al.
patent: 3717593 (1973-02-01), Zondler et al.

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