6-thioxanthine derivatives
US4820709A · kind A · utility
11Cited by
2References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 1987 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Jul 22, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein R.sup.3 is ethyl, n-propyl or n-butyl, and PA0 R.sup.8 is hydrogen, methyl or ethyl, PA0 exhibit bronchodilating activity with reduced side effects and increased half-like. A method of achieving bronchodilation with reduced undesired effects (diuresis, CNS activity), by administering the said compounds to a patient, is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.