HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 14651266, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Ethyl 1-ethyl-5-methyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate | HCID 14651267 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | HCID 14651266 | HCID 14651266 | 80.4% |
Reaction Steps
Employing ethyl 1-ethyl-5-methyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate (0.55 g), conc. hydrochloric acid (1.5 ml) and 90% acetic acid (6 ml), the procedure of Reference Example 10 is repeated to give 1-ethyl-5-methyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3- carboxylic acid (0.40 g), as white crystals, m.p. >300° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05723648 |
| Source dataset | uspto-grants-1998_03 |
| ORD ID | ord-ced401958df14107b84014195a09d50e |
| Source note | uspto-grants-1998_03 |