Lipoxygenase and cyclogenase inhibiting thiachromen and thiepan derivatives and pharmaceutical compositions therefor
US4699919A · kind A · utility
3Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1986 |
| Grant date | Oct 13, 1987 |
| Priority date | — |
| Expiry date | Sep 16, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D337/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to bicyclic catechol derivatives having the general formulae I and II ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and Z represent various substituents, to a preparation process of the same comprising reacting a compound of formula III ##STR2## wherein R.sub.1 and R.sub.2 have the meanings given above with an appropriately substituted propionic or butyric acid (or an ester or a salt of the same) of formula IV ##STR3## wherein R.sub.3 has the meaning given above, and to therapeutical compositions wherein the active ingredient is one of these compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.