Trans apovincaminic acid ester derivatives
US6093720A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Jun 9, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to novel racemic and optically active trans apovincaminic acid ester derivatives of formula (I), ##STR1## wherein R means hydrogen or a group (a), wherein Z stands for C.sub.1-4 alkyl, optionally substituted aryl, aralkyl, heteroaryl or 14-eburnameninyl group; and n is an integer of 2, 3 or 4, as well as therapeutically acceptable salts thereof. The invention further relates to pharmaceutical compositions containing these compounds as well as a process for the preparation of the above compounds and compositions, and in addition, to a method of treatment. The novel compounds of Formula (I) exhibit particularly antioxidant, antiischemic as well as antiamnesic effects and are useful for inhibiting lipid peroxidation and for protection from or treatment of ischemia and amnesia as well as for treating various degenerative neurological diseases, e.g. Alzheimer's disease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.