HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,8-Diazabicyclo(5.4.0)undec-7-ene → 10-(4-bromo-2-isoindolinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,8-Diazabicyclo(5.4.0)undec-7-ene | HCID 81184 | — |
| Reactant | 8,9-Difluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid | HCID 534278 | — |
| Reactant | 4-bromo-2,3-dihydro-1H-isoindole | HCID 14795870 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 10-(4-bromo-2-isoindolinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid | HCID 15167922 | 44.4% |
Reaction Steps
142 mg of 9,10-difluoro-2,3-dihydro-3-methyl-7--oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid, 149 mg of 4-bromoisoindoline, 114 mg of DBU, and 1.5 ml of anhydrous DMF were processed in the same manner as in Example 20 to produce 103 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-1dd552105a174d2a9c59f88c9287da34 |
| Source note | uspto-grants-1991_06 |