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Serving leading biopharmaceutical companies globally:

Argus Health
Daiichi Sankyo
Harvard Business School

Generated: February 21, 2018

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Claims for Patent: 4,146,719

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Summary for Patent: 4,146,719
Title: Piperazinyl derivatives of quinoline carboxylic acids
Abstract:This invention relates to new compounds of value as antibacterial agent. More particularly, it relates to piperazinyl derivatives of quinoline carboxylic acids, the hydrates, and the acid addition salts thereof.
Inventor(s): Irikura; Tsutomu (Tokyo, JP)
Assignee: Kyorin Seiyaku Kabushiki Kaisha (Tokyo, JP)
Application Number:05/878,600
Patent Claims: 1. A compound having the formula ##STR3## the hydrates, and the hydrochloride acid addition salts thereof.

2. 1-Ethyl-6-fluoro-1,4-dihydro-7-(1-piperazinyl)-4-oxoquinoline- 3-carboxylic acid.

3. 1-Ethyl-6-fluor o-1,4-dihydro-7-(1-piperazinyl)-4-oxoquinoline-3-carboxylic acid pentahydrate.

4. 1-Ethyl-6-f luoro-1,4-dihydro-7-(1-piperazinyl)-4-oxoquinoline-3-carboxylic acid hydrochloride.

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