Methods for the synthesis of unsymmetrical cycloalkyl substituted xanthines
US7598379B2 · kind B2 · utility
7Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2006 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | May 29, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides processes for making pyridyl-linked-xanthines of formula VII, from 5,6-diamino-1H-pyrimidine-2,4-diones of formula II and acylating agents of formula VI.The xanthines are expected to be are selective antagonists of A2B adenosine receptors (ARs).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.