Process for the preparation of 2-amino-5-aminomethyl-pyridine
US5478944A · kind A · utility
2Cited by
8References
11Claims
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Key dates
| Filing date | Jan 11, 1994 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Jan 11, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/73
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2-Amino-5-aminomethyl-pyridine, of the formula ##STR1## can be prepared by reacting substituted methylene-glutaconic acid dinitrile of the formula ##STR2## having the meaning of R.sup.1 as given in the general description, at from 50.degree. to 200.degree. C., initially with from 3 to 20 mol of ammonia and then, in the presence of a hydrogenation catalyst, with hydrogen. The hydrogen is present an a partial pressure of from 10 to 250 bar. The reaction can be carried out with or without solvent.
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