HuagongsheHuagongshe Chemistry Print Report · For research reference only
Bromine → 4-Amino-3-bromo-5-nitrobenzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Bromine | HCID 24408 | — |
| Reactant | 4-Amino-3-nitrobenzene-1-sulfonamide | HCID 2774388 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 4-Amino-3-bromo-5-nitrobenzenesulfonamide | HCID 21886437 | — |
Reaction Steps
7.0 G. of 4-amino-3-nitrobenzenesulfonamide is suspended in 150 ml. of methanol at room temperature and brominated with 5.2 g. of liquid bromine added dropwise over 15 minutes. The reaction mixture is filtered and the solid material recrystallized from isopropanol affording 4-amino-3-bromo-5-nitrobenzenesulfonamide, m.p. 216°-218° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04005199 |
| Source dataset | uspto-grants-1977_01 |
| ORD ID | ord-c79a6deb8ead4a1789727302129e2c06 |
| Source note | uspto-grants-1977_01 |