Imidazopyrimidine derivatives and triazolopyrimidine derivatives
US6911443B2 · kind B2 · utility
28Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2001 |
| Grant date | Jun 28, 2005 |
| Priority date | — |
| Expiry date | Apr 17, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound of the formula (I) in which R1 is —OR11, —SR11, —SOR11, —SO2R11, —NHR11, or —NR12R13 , and R11, R12, and R13 are as defined broadly in the text. R2 is H, C1-C6alkyl, carbamoyl, or an ester group. R3 is thienyl, pyridyl optionally substituted by halogen or C1-C6alkoxy; naphthyl optionally substituted by C1-C6alkoxy; dioxane fused phenyl; dioxacyclopentane fused phenyl; or optionally substituted phenyl. Y is CH or N. A process for preparing such compounds, pharmaceutical compositions containing such compounds, and a method of treating asthma using them are also disclosed and claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.