Process for the preparation of a pharmacologically active substance
US6180793A · kind A · utility
10Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1999 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Nov 12, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P7/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of the racemic or optically active compounds of general formula (VI): ##STR1## PA1 wherein the meaning of X is a halogen atom, or their salts, characterized in that, a racemic or optically active new compound of general formula (VII): ##STR2## PA1 wherein the meaning of X is a halogen atom, is transformed into the racemic or optically active compound of general formula (VIII): ##STR3##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.