Xanthine derivatives
US4960773A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1988 |
| Grant date | Oct 2, 1990 |
| Priority date | — |
| Expiry date | Nov 2, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to new compounds of Formula I ##STR1## and physiologically acceptable salts thereof wherein A and B stand for oxygen or --CH.sub.2 group with the proviso that if A stands for oxygen, then B stands for --CH.sub.2 group and R stands for hydrogen and, if A represents a --CH.sub.2 group, then B stands for oxygen, R stands for a --CH.sub.2 Q group wherein Q stands for hydrogen, and pyrrolidino, piperidino or morpholino and a process for the preparation thereof and pharmaceutical compositions containing as active ingredient a compound of the Formula (I) or a physiologically acceptable salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.