4-alkoxy-3-pyrrolin-2-on-1-yl acetic acid alkyl esters
US4880940A · kind A · utility
3Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1988 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Jul 22, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
4-Alkoxy-3-pyrrolin-2-on-1-yl acetic acid alkyl esters are intermediate products for the production of cerebrally-active pharmaceutical products. The advantageous process for production of the new intermediate products is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.