HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperazine → Ciprofloxacin EP IMpurity B
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperazine | HCID 4837 | — |
| Reactant | 7-Chloro-1-cyclopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid | HCID 13385163 | — |
| Product | Ciprofloxacin EP IMpurity B | HCID 483178 | — |
Reaction Steps
7-Chloro-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid are reacted with piperazine to give 1-cyclopropyl-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid of decomposition point 298°-300° C. analogously to Example 87.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04563459 |
| Source dataset | uspto-grants-1986_01 |
| ORD ID | ord-a0f8b84f6a314091b1f4b856aa39bf6a |
| Source note | uspto-grants-1986_01 |