HuagongsheHuagongshe Chemistry Print Report · For research reference only
Bromine → 5-Nitro-2-thenoic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Bromine | HCID 24408 | — |
| Reactant | 5-Nitrothiophene-2-carboxaldehyde | HCID 78281 | — |
| Reactant | Sodium Diacetate | HCID 23662384 | — |
| Product | 5-Nitro-2-thenoic acid | HCID 80591 | 98.5% |
Reaction Steps
As an example, a trial performed with 5-nitro-2-formyl-thiophene and bromine in a medium maintained at pH=4.6 by means of a acetic acid/sodium acetate mixture provided crude 5-nitro-2-thenoic acid in a yield of 98.5% or the pure acid in a yield of 81%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04220793 |
| Source dataset | uspto-grants-1980_09 |
| ORD ID | ord-42320d16ee884924a0f49a03540d26f2 |
| Source note | uspto-grants-1980_09 |