Process for phosphodiesterase IV inhibitors
US5919937A · kind A · utility
7Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1998 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | Oct 7, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention encompasses a novel process for the formation of enantiomerically enriched mixtures of compounds of Formula I, which are useful precursors in the synthesis of phosphodiestersae IV inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.