Quinolone compound
US-9067887-B2 · Jun 30, 2015 · US
Quinolone compound
US9440951B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9440951-B2 |
| Application number | US-201514709261-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 11, 2015 |
| Priority date | Aug 31, 2011 |
| Publication date | Sep 13, 2016 |
| Grant date | Sep 13, 2016 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The present invention provides a compound represented by the formula (I) wherein X is a hydrogen atom or a fluorine atom; R is a hydrogen atom or alkyl; R 1 is (1) cyclopropyl optionally substituted by 1 to 3 halogen atoms or (2) phenyl optionally substituted by 1 to 3 halogen atoms; R 2 is alkyl, alkoxy, haloalkoxy, a halogen atom, cyano, etc.; and R 3 is 7-oxo-7,8-dihydro-1,8-naphthyridinyl, 3-pyridyl, etc., or a salt thereof. The compound of the present invention has excellent antimicrobial activity against Clostridium difficile and is useful for the prevention or treatment of intestinal infection such as Clostridium difficile -associated diarrhea.
First claim
Opening claim text (preview).
The invention claimed is: 1. A compound selected from the group consisting of compounds represented by the following formulae or a salt thereof. 2. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 3. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 4. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 5. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 6. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 7. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 8. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 9. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 10. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 11. The compound of claim 1 , which is a compound represented by the formula or a salt thereof. 12. A pharmaceutical composition comprising a compound of claim 1 or a salt thereof and a pharmaceutically acceptable carrier. 13. An antimicrobial agent comprising a compound of claim 1 or a salt thereof. 14. A method for treating a bacterial infection which comprises administering an effective amount of a compound of claim 1 or a salt thereof to a human or an animal.
Assignees
Inventors
Classifications
directly linked by a ring-member-to-ring-member bond · CPC title
containing further heterocyclic rings · CPC title
linked by a carbon chain containing aromatic rings · CPC title
Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00 · CPC title
containing three or more hetero rings · CPC title
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Frequently asked questions
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- What does patent US9440951B2 cover?
- The present invention provides a compound represented by the formula (I) wherein X is a hydrogen atom or a fluorine atom; R is a hydrogen atom or alkyl; R 1 is (1) cyclopropyl optionally substituted by 1 to 3 halogen atoms or (2) phenyl optionally substituted by 1 to 3 halogen atoms; R 2 is alkyl, alkoxy, haloalkoxy, a halogen atom, cyano, etc.; and R 3 is 7-oxo-7,…
- Who is the assignee on this patent?
- Otsuka Pharma Co Ltd, Otsuka Pharma Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C07D401/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Sep 13 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).