HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,8-Diazabicyclo(5.4.0)undec-7-ene → 7-(4-Nitro-2-isoindolinyl)-1-(4-fluorophenyl)-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,8-Diazabicyclo(5.4.0)undec-7-ene | HCID 81184 | — |
| Reactant | 1-(4-Fluorophenyl)-6,7,8-trifluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid | HCID 13728330 | — |
| Reactant | 4-Nitroisoindoline | HCID 19701949 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 7-(4-Nitro-2-isoindolinyl)-1-(4-fluorophenyl)-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid | HCID 14795816 | 35.7% |
Reaction Steps
200 mg of 1-(4-fluorophenyl)-6,7,8-trifluoro-1,4- dihydro-4-oxoquinoline-3-carboxylic acid, 176 mg of 4-nitroisoindoline, 164 mg of DBU, and 1.5 ml of anhydrous DMF were processed in the same manner as in Example 20 to produce 102 mg of the target compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05026856 |
| Source dataset | uspto-grants-1991_06 |
| ORD ID | ord-cabdbae3949548de828fcc36ed8b8550 |
| Source note | uspto-grants-1991_06 |