Chemical compounds
US4006245A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1975 |
| Grant date | Feb 1, 1977 |
| Priority date | — |
| Expiry date | Jan 29, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/35
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There are provided compounds of formula I, ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.7 may be the same or different, and are hydrogen, hydroxy, alkoxy, alkoxy substituted by phenyl, acyl, amino, acylamino, alkenyl, halogen, or alkyl, provided that at least one of R.sup.1, R.sup.2, R.sup.3 and R.sup.7 are other than hydrogen and hydroxy, PA1 Or an adjacent pair of R.sup.1, R.sup.2, R.sup.3 and R.sup.7 represent a chain --COCH=CH--O--, PA1 X is a hydrocarbon chain containing from 2 to 10 carbon atoms and optionally substituted by a hydroxy group, and PA1 E is a carboxy group or a tetrazole group, And pharmaceutically acceptable derivatives thereof. The compounds are indicated for use as antagonists of SRS-A.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.