Nitrogen containing heterocyclic compounds and medicines containing the same
US6995144B2 · kind B2 · utility
52Cited by
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29Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 12, 2003 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Nov 22, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides compounds represented by the following formula: wherein X1, X2, X3 and X4 each independently represents a single bond, C1-6 alkylene, etc.; A2 represents optionally substituted phenyl, etc.; A1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(═Q1)—, Q1 wherein represents oxygen, sulfur or ═N—R11, wherein R11 represents hydrogen or C1-6 alkyl etc.; and Z1 represents piperidin-diyl, ect, salts thereof and hydrates of the foregoing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.