Process for the preparation of D(-)-penicillamine and salts thereof
US3960940A · kind A · utility
3Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1974 |
| Grant date | Jun 1, 1976 |
| Priority date | — |
| Expiry date | Aug 14, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D231/50
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
D(-)-Penicillamine and salts thereof may be prepared by reacting a 6-amino or blocked 6-amino penicillin e.g. penicillin G or penicillin V, or a salt thereof, with a hydrazine having two --NH-groups, or a salt or solvate thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.