HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → N-(4-chloro-3-methyl-5-isoxazolyl)-2-(2,4-dimethylbenzyl)thieno[2,3-b]pyridine-3-sulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | N-(4-chloro-3-methyl-5-isoxazolyl)-N-(methoxyethoxymethyl)-2-(2,4-dimethylbenzyl)thieno[2,3-b]pyridine-3-sulfonamide | HCID 17894959 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | N-(4-chloro-3-methyl-5-isoxazolyl)-2-(2,4-dimethylbenzyl)thieno[2,3-b]pyridine-3-sulfonamide | HCID 12044909 | 72.6% |
Reaction Steps
The title compound was prepared by the method of Example 4(D) using N-(4-chloro-3-methyl-5-isoxazolyl)-N-(methoxyethoxymethyl)-2-(2,4-dimethylbenzyl)thieno[2,3-b]pyridine-3-sulfonamide (87 mg, 0.16 mmoles), methanol (3 ml) and 4N HCl (1 ml). Recrystallization from chloroform/hexane provided 52 mg (72%) of the title compound as a white crystalline solicl, m.p. 123-125° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06013655 |
| Source dataset | uspto-grants-2000_01 |
| ORD ID | ord-b693cb86464a47b4afde3df44160658c |
| Source note | uspto-grants-2000_01 |