Indole derivatives
US5891902A · kind A · utility
3Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1996 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Jul 15, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to indole derivatives represented by formula (I): ##STR1## wherein R.sup.1 and R.sup.2 independently represent hydrogen, lower alkyl, hydroxy, lower alkoxy, halogen, --O--(CH.sub.2).sub.n --OR.sup.5, or ##STR2## R.sup.3 represents hydrogen, lower alkyl, or ##STR3## R.sup.4 represents hydroxy, lower alkoxy, substituted or unsubstituted aryloxy, or --NR.sup.10 R.sup.11, and X represents CO or SO.sub.2, with the proviso that when R.sup.3 is hydrogen or lower alkyl, and X is CO, R.sup.4 is --NR.sup.10 R.sup.11, or pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.