1,2,3,4-tetrahydro-benzofuro[3,2-C]pyridine derivatives
US6156757A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1999 |
| Grant date | Dec 5, 2000 |
| Priority date | — |
| Expiry date | Oct 4, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D513/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention concerns the compounds of formula ##STR1## the N-oxides, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein each R.sup.1 is independently hydrogen, halogen, C.sub.1-6 alkyl, nitro, hydroxy or C.sub.1-4 alkyloxy; Alk is C.sub.1-6 alkanediyl; n is 1 or 2; D is an optionally substituted mono-, bi- or tricyclic nitrogen containing heterocycle having central .alpha..sub.2 -adrenoceptor antagonist activity. It further relates to their preparation, compositions comprising them and their use as a medicine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.