HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Cyclopropyl-5,6-difluoro-7-(4-methyl-1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid → 5-Amino-1-cyclopropyl-6-fluoro-7-(4-methyl-1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Cyclopropyl-5,6-difluoro-7-(4-methyl-1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid | HCID 14880213 | — |
| Reactant | Ethanol, reaction products with ammonia, distn. residues | HCID 22020343 | — |
| Product | 5-Amino-1-cyclopropyl-6-fluoro-7-(4-methyl-1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid | HCID 14880224 | — |
Reaction Steps
In a sealed tube, 1-cyclopropyl-5,6-difluoro-7-(4-methyl-1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid was aminated with ammonia/ethanol as in Example 13 to give 5-amino-1-cyclopropyl-6-fluoro-7- (4-methyl-1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxlic acid. m.p 216°-218° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05013841 |
| Source dataset | uspto-grants-1991_05 |
| ORD ID | ord-a4d94ac7987440c998c1397644601290 |
| Source note | uspto-grants-1991_05 |