1-phenyl-2-(heterocyclyl-alkyl-amino)-ethanols
US4581367A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1982 |
| Grant date | Apr 8, 1986 |
| Priority date | — |
| Expiry date | Nov 23, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/18
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of the formula wherein PA0 Het is a heterocycle; PA0 n is an integer from 1 to 4, inclusive, preferably 2 or 3; PA0 R.sub.1 is H or acyl; PA0 R.sub.2 is H, R.sub.1 O, --NHSO.sub.2 R.sub.7, --NHCOR.sub.8, --NHCONHR.sub.8, --NH--CH.sub.2 --C.sub.6 H.sub.4 --R.sub.9, --CH.sub.2 OH, --CH.sub.2 SO.sub.2 R.sub.7, --CONHR.sub.8, halogen or --CN; PA0 R.sub.3 is H, halogen, R.sub.7 or --OR.sub.7 ; or PA0 R.sub.2 and R.sub.3, together with each other, are ##STR1## N.sub.4 is H, --CH.sub.3 or --C.sub.2 H.sub.5 ; R.sub.5 and R.sub.6 are each H or --CH.sub.3 ; PA0 R.sub.7 is C.sub.1 -C.sub.4 alkyl; PA0 R.sub.8 is H or C.sub.1 -C.sub.4 alkyl; and PA0 R.sub.9 is H, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy optionally interrupted by oxygen; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as bronchospasmolytics, spasmolytics, muscle-relaxants, antiallergics and hypotensives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.