HuagongsheHuagongshe Chemistry Print Report · For research reference only
6-trifluoroacetamido-7-nitro-2,3(1H,4H)-quinoxalinedione → 6-Amino-7-nitroquinoxaline-2,3-diol
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 6-trifluoroacetamido-7-nitro-2,3(1H,4H)-quinoxalinedione | HCID 22097157 | — |
| Solvent | Hydrochloric Acid | HCID 313 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 6-Amino-7-nitroquinoxaline-2,3-diol | HCID 3980992 | 84% |
Reaction Steps
A solution of 41 g (0.13 mol) of 6-trifluoroacetamido-7-nitroquinoxaline -2,3(1H,4H)-dione in 300 ml of ethanol and 700 ml of 3 molar hydrochloric acid was refluxed for 3 hours. After the mixture had cooled, the precipitated crude product was filtered off with suction and washed with acetone. Yield: 84%. Melting point >330° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05849743 |
| Source dataset | uspto-grants-1998_12 |
| ORD ID | ord-3a051c9538734ff88e07e49e762d2de2 |
| Source note | uspto-grants-1998_12 |