Bis-heterocyclic prostaglandin analogs
US5280034A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1991 |
| Grant date | Jan 18, 1994 |
| Priority date | — |
| Expiry date | Aug 23, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D413/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Thromboxane receptor antagonist activity is exhibited by compounds of the formula ##STR1## wherein: W is --(CH.sub.2).sub.m -- or ##STR2## but if R.sup.3 and R.sup.4 complete an aromatic ring, then W cannot be ##STR3## X is --(CH.sub.2).sub.2 --, --CH.dbd.CH-- or phenylene; Y is --O--, a single bond or vinylene, except that Y cannot be --O-- when n is 0, and if Y is vinylene, then n must be 0; PA0 Z is O or NH; PA0 R.sup.3 and R.sup.4 are each independently hydrogen, alkyl, alkenyl, or alkynyl, or R.sup.3 and R.sup.4 together complete a ring as defined in the specification, optionally substituted through a ring carbon with an oxo or hydroxyl group; and the remaining symbols are as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.