Process for the preparation of purified N-alkyl lactams
US4885371A · kind A · utility
13Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1989 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Jun 22, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/267
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the selective preparation of an N-alkyl lactam having minimal coloration by reacting the corresponding lactone with an alkyl amine in the presence of a catalytic amount of an ammonium, alkali metal or alkaline earth metal borohydride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.