HuagongsheHuagongshe Chemistry Print Report · For research reference only
Oxalic acid dihydrate → HCID 178514680, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Oxalic acid dihydrate | HCID 61373 | — |
| Reactant | 1-Naphthalenesulfonamide, 3,4-diamino- | HCID 11402138 | — |
| Solvent | Hydrochloric Acid | HCID 313 | — |
| Product | HCID 178514680 | HCID 178514680 | 50% |
Reaction Steps
A mixture of 1.0 g (3.4 mmol) 1,2-diamino-4-sulphamoyl-naphtalene and 1.0 (7.9 mmol) oxalic acid dihydrate in 20 ml 2N HCl was refluxed for 2 hours. After cooling to room temperature the precipitate was filtered off and washed with water. The crude product was recrystallized from dimethylformamide/water to give 0.6 g (50%) of the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04889855 |
| Source dataset | uspto-grants-1989_12 |
| ORD ID | ord-cb7cef9d1ba145bfb0698688d87af2b9 |
| Source note | uspto-grants-1989_12 |