Ethers and thioethers having therapeutical activity, their preparation and pharmaceutical compositions containing them
US4968706A · kind A · utility
1Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1988 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | Aug 11, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D411/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula I ##STR1## wherein Ar is an optionally substituted phenyl ring; B is a single bond, a group --(CH.sub.2 OCH.sub.2).sub.n being n=1 or 2, a 2,4-disubstituted-1,3-dioxolane ring or a 2,4-disubstituted-1,3-thioxolane ring, R is a single bond, an optionally substituted methylene or ethylene group and T is 2-, 3- or 4-pyridyl, an optionally salified or esterified carboxy group or a carboxyamide group. Said compounds are useful in treatment of respiratory diseases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.