Patent · US Expired

Xanthine derivatives

US4960773A · kind A · utility

16Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 2, 1988
Grant dateOct 2, 1990
Priority date
Expiry dateNov 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.