2, 6-dinitrogen-containing substituted purine derivatives, the preparation and uses thereof
US8580763B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Apr 17, 2008 |
| Grant date | Nov 12, 2013 |
| Priority date | — |
| Expiry date | Dec 19, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H19/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides 2,6-dinitrogen-containing substituted purine compounds of formula (A) or salts or solvates thereof or the solvates of salts thereof, as well as pharmaceutical compositions containing such compounds. The compounds of the present invention have the characteristics of lower toxicity, broad anticancer spectrum, higher anticancer activity, good stability and the like. The compounds are useful for the manufacture of an antitumor medicament. The present invention also provides a process for preparing these compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.