Prostaglandin analogues
US4128720A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1976 |
| Grant date | Dec 5, 1978 |
| Priority date | — |
| Expiry date | Feb 11, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F1/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Prostaglandins of the formula: ##STR1## wherein A represents a grouping of the formula: ##STR2## X represents ethylene or cis-vinylene, Y represents ethylene or trans-vinylene, R represents a hydrogen atom or a straight- or branched-chain alkyl group containing from 1 to 12 carbon atoms, R.sup.1 represents a hydrogen atom or a straight- or branched-chain alkyl group containing from 1 to 10 carbon atoms, R.sup.2 represents a straight- or branched-chain alkyl group containing from 1 to 4 carbon atoms, R.sup.3 represents a straight- or branched-chain alkyl group containing from 1 to 4 carbon atoms, a cycloalkyl group containing from 4 to 7 carbon atoms, or a grouping of the formula: ##STR3## wherein R.sup.4 and R.sup.5 each represents a hydrogen or halogen atom, a trifluoromethyl group or an alkyl group containing from 1 to 3 carbon atoms, or R.sup.2 and R.sup.3 together represent an ethylene or trimethylene group and cyclodextrin clathrates of such acids and esters and, when R represents a hydrogen atom, non-toxic salts of such acids, are disclosed. These compounds exhibit characteristic prostaglandin activity, in particular, inhibitory activity on gastric secretion, luteolytic activ…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.