Sulfated benzothiophene derivatives, methods of use and formulations containing same
US5843984A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1997 |
| Grant date | Dec 1, 1998 |
| Priority date | — |
| Expiry date | Apr 14, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Sulfated benzothiophenes of the formula I ##STR1## wherein R.sup.1 is hydrogen, hydroxy, C.sub.1 -C.sub.4 alkoxy, --OCOO(C.sub.1 -C.sub.6 alkyl), --OCO(C.sub.1 -C.sub.6 alkyl), --OCOAr wherein Ar is phenyl or optionally substituted phenyl, --OSO.sub.2 (C.sub.4 -C.sub.6 straight chain alkyl), or --OSO.sub.3 H; R.sup.2 is R.sup.1, Cl or F; with the proviso that at least one of R.sup.1 or R.sup.2 is --OSO.sub.3 H; R.sup.3 is 1-piperidinyl, 1-pyrrolidinyl, methyl-1-pyrrolidinyl, dimethyl-1-pyrrolidino, 4-morpholino, dimethylamino, diethylamino, diisopropylamino, or 1-hexamethyleneimino; and n is 2 or 3; or a pharmaceutically acceptable salt or solvate thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.