HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → 6-amino-3-thiophen-2-yl-1H-quinoxalin-2-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | 6-Nitro-3-thiophen-2-yl-1H-quinoxalin-2-one | HCID 21083668 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 6-amino-3-thiophen-2-yl-1H-quinoxalin-2-one | HCID 21083660 | — |
Reaction Steps
The quinoxalin-2-one of the present example is prepared by reducing 6-nitro-3-thiophen-2-yl-1H-quinoxalin-2-one of Example 39 with H2NNH2.H2O in the presence of Pd/C in refluxing MeOH.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07176208B2 |
| Source dataset | uspto-grants-2007_02 |
| ORD ID | ord-1d76ccc889d94aa6bccc6d96107d1532 |
| Source note | uspto-grants-2007_02 |