2-hydroxy-3-(4-methoxyphenyl)-3-(2-aminophenylthio)propionic acid, 8'-phenylmenthyl ester, especially for diltiazem
US5008433A · kind A · utility
3Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1990 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Apr 6, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D281/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The titled ester, especially having the (2S,3S)-configuration, which is an intermediate for the production of diltiazem, is provided. Very high yields are obtainable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.