Process for the preparation of 3-methylpiperidine and 3-methylpyridine by catalytic cyclization of 2-methyl-1, 5-diaminopentane
US5714610A · kind A · utility
2Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1995 |
| Grant date | Feb 3, 1998 |
| Priority date | — |
| Expiry date | Nov 2, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In a process for preparing 3-methylpiperidine or 3-methylpyridine from 2-methyl-1,5-diaminopentane in the gaseous phase, the initial product is made to flow over catalysts. In the first step, 3-methylpiperidine is produced, and if required 3-methylpyridine is produced in a second step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.