HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1163331Generated: October 29, 2026
Water → 7-chloro-6-fluoro-1-(5-fluoro-pyridin-2-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic Acid
https://huagongshe.com/reaction/1163331
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | HCID 67274049 | HCID 67274049 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Hydrochloric Acid | HCID 313 | — |
| Product | 7-chloro-6-fluoro-1-(5-fluoro-pyridin-2-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic Acid | HCID 67273993 | — |
Reaction Steps
A suspension of 0.5 g 7-chloro-6-fluoro-1-(5-fluoro-pyridin-2-yl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester (1.37 mmol) in a mixture of 1.5 ml acetic acid and 1.5 ml 25% HCl was stirred at 90° C. over night. The reaction was monitored by HPLC. The suspension was poured into 50 ml water, the colorless crystals filtered and dried.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07820823B2 |
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| Source dataset | uspto-grants-2010_10 |
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| ORD ID | ord-6673dc493cf14f4fb829125619d9ed68 |
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| Source note | uspto-grants-2010_10 |
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