Nitrogenous fused heteroaromatic ring derivative
US7645756B2 · kind B2 · utility
0Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2005 |
| Grant date | Jan 12, 2010 |
| Priority date | — |
| Expiry date | Feb 7, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides a compound or its pharmaceutically-acceptable salt of formulawherein A1 is a hydrogen, etc.; j and k are 0 or 1;is a double bond, etc.;is a double bond, etc.;one of W1 and W2 is E—O—W, etc., and the other is a hydrogen atom, etc.; E is a divalent group derived from a benzene ring, etc., by removing two hydrogen atoms therefrom; W is a group of formula (II-1):which has a histamine-H3 receptor antagonistic effect or a histamine-H3 receptor inverse-agonistic effect and is useful for prevention or remedy of metabolic system diseases, circulatory system diseases or nervous system diseases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.