Tetrazoles
US6143759A · kind A · utility
13Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1999 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Aug 30, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of formula (I) in which R.sup.4 is a phenyl radical substituted by R.sup.5, where R.sup.5 is a tetrazole-5-yl-radical optionally substituted by a radical R.sup.6, are novel efficacious PDE3/4 inhibitiors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.