HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 248496Generated: October 25, 2026
1-Ethyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid → HCID 19763607, compound
https://huagongshe.com/reaction/248496
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 1-Ethyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid | HCID 800521 | — |
| Reactant | 1-(phenylsulfonyl)-3-(2-piperazinyl)-1H-indole | HCID 19763551 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | HCID 19763607 | HCID 19763607 | 84.5% |
Reaction Steps
30 A mixture of 4.092 g of 1-{phenylsulfonyl)-3-(2-piperazinyl)-1H-indole and 1.012 g of 1-ethyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid in 5 ml of pyridine was heated at 95° C. for 3 hours, then cooled and the solid collected, washed with methanol and ether, giving 1.94 g of 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-[3-[1-(phenylsulfonyl)-1H-indol-3-yl]-1-piperazinyl]-3-quinolinecarboxylic acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05210193 |
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| Source dataset | uspto-grants-1993_05 |
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| ORD ID | ord-2114f8b4d9cd441388b5322ead39f911 |
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| Source note | uspto-grants-1993_05 |
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