Process and promoting agents for the preparation of loweralkyl 2-(N-R'-pyrryl)-alpha-loweralkanoic acid esters
US4136097A · kind A · utility
2Cited by
2References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1977 |
| Grant date | Jan 23, 1979 |
| Priority date | — |
| Expiry date | Apr 6, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F1/005
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of loweralkyl 2-(N-R'-pyrryl)-.alpha.- loweralkanoic acid esters in increased yield and/or isomeric purity, and copper (II) 1,3-diketonate, copper (II) salicylaldehyde, copper (II) monoamino-1,3-diketonate, and copper (II) salicylaldimine complexes useful as promoting agents for said process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.