HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 5-chloro-2-methyl-3-nitroaniline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Sodium Dithionite | HCID 24489 | — |
| Reactant | HCID 2749341 | HCID 2749341 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 5-chloro-2-methyl-3-nitroaniline | HCID 2749345 | 85.9% |
Reaction Steps
5-Chloro-2-methyl-1,3-dinitro-benzene (1.96 g, from above) was suspended in methanol (80 mL) and water (20 mL) under N2. Sodium dithionite (5.51 g) was added portionwise and the mixture was stirred at room temperature for 3 hr. The reaction mixture was filtered and washed with methanol. The filtrate was then removed under reduced pressure and the residue was partitioned between ethyl acetate (150 mL) and brine (150 mL). The organic layer was dried over magnesium sulfate and evaporated to afford 5-chloro-2-methyl-3-nitro-phenylamine (1.45 g).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05952362 |
| Source dataset | uspto-grants-1999_09 |
| ORD ID | ord-0e51da76bfe7483a8f559cf29374efbe |
| Source note | uspto-grants-1999_09 |