HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 29927-14-8
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | Aluminum(III) Chloride | HCID 6451240 | — |
| Reactant | 5-Methoxy-1,3-benzothiazole-2-sulfonamide | HCID 13245459 | — |
| Solvent | Heptane | HCID 8900 | — |
| Product | 29927-14-8 | HCID 121595 | 58.8% |
Reaction Steps
A stirred suspension of 5-methoxy-2-benzothiazolesulfonamide (11.8 g, 0.048 mole) and aluminum chloride (28 g, 0.21 mole) in heptane (500 ml) was heated at reflux for 21/2 hours then cooled. The aluminum chloride complex was decomposed by the addition of ice water (400 ml) to give 6.5 g of 5-hydroxy-2-benzothiazolesulfonamide which melts at 224° C. after reprecipitiation from dilute sodium hydroxide with dilute hydrochloric acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04454148 |
| Source dataset | uspto-grants-1984_06 |
| ORD ID | ord-e6a3a433226b4e3f9763aca3dfe4d3ad |
| Source note | uspto-grants-1984_06 |