Tetrazole derivatives
US6121286A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1998 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Sep 23, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to a tetrazole derivative represented by the following formula (1) or a salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, a hydroxyl group, a lower alkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted alkanoyloxy group; R.sup.3 represents a hydrogen atom or a substituted or unsubstituted lower alkyl group; A represents a methyleneoxy group or a vinylene group; B represents a substituted or unsubstituted quinolyl group, a substituted or unsubstituted quinazolyl group, or a substituted or unsubstituted benzimidazolyl group; and a broken line indicates that there may be a double bond; and to a medicine containing the compound as an active ingredient. The medicine according to the present invention is endowed with excellent antileukotriene activity and antihistaminic activity, and is useful for the prevention and treatment of, for example, asthma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.