HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1402766Generated: November 3, 2026
Hydrazine hydrate (1:1) → 5-Bromo-N1-methylbenzene-1,2-diamine
https://huagongshe.com/reaction/1402766
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | 5-bromo-N-methyl-2-nitroaniline | HCID 10609530 | — |
| Catalyst | Nickel | HCID 935 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 5-Bromo-N1-methylbenzene-1,2-diamine | HCID 12198270 | — |
Reaction Steps
5-bromo-N-methyl-2-nitroaniline (1.5 g) was dissolved in methanol (60 mL) by heating to 80° C. Hydrazine hydrate was added (3.2 mL) followed by Raney Nickel (50% slurry in water, 6 drops) and the reaction mixture was heated to reflux for 1 hour. The reaction mixture was filtered through Celite® and concentrated under reduced pressure, providing 5-bromo-N1-methylbenzene-1,2-diamine as an amber oil. This product was used in the next step without further purification.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US08912190B2 |
|---|
| Source dataset | uspto-grants-2014_12 |
|---|
| ORD ID | ord-2fd3c4087934461cbc1ca513299dbb52 |
|---|
| Source note | uspto-grants-2014_12 |
|---|