Antiviral methods utilizing ribofuranosylthiazolo[4,5-d]pyrimdine derivatives
US4880784A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1987 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Dec 21, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H19/24
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of the structure: ##STR1## wherein R.sub.1 and R.sub.2 individually are H or C.sub.1 -C.sub.18 acyl and R.sub.3 is H, C.sub.1 -C.sub.18 acyl or ##STR2## or R.sub.1 is H and together R.sub.2 and R.sub.3 are ##STR3## and X is .dbd.O or .dbd.S, Y is --OH, --SH, --NH.sub.2 or halogen, and Z is H, --NH.sub.2, --OH or halogen, wherein halogen is Cl or Br, or a pharmaceutically acceptable salt thereof are useful as antivirals, antitumors and as immune system enhancers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.