HuagongsheHuagongshe Chemistry Print Report · For research reference only
N-methylhydroxylamine hydrochloride → 1-Hydroxy-1-methyl-3-(4,5,6,7-tetrahydrobenzo[b]thien-4-yl)urea
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | N-methylhydroxylamine hydrochloride | HCID 77906 | — |
| Reactant | 4-Isocyanato-4,5,6,7-tetrahydro-1-benzothiophene | HCID 20537301 | — |
| Product | 1-Hydroxy-1-methyl-3-(4,5,6,7-tetrahydrobenzo[b]thien-4-yl)urea | HCID 20348984 | — |
Reaction Steps
In the manner described in Example 6, N-methylhydroxylamine hydrochloride and 4,5,6,7-tetrahydrobenzo[b]thien-4-yl isocyanate are allowed to react to afford 1-hydroxy-1-methyl-3-(4,5,6,7-tetrahydrobenzo[b]thien-4-yl)urea, which is recrystallized from acetone-hexane-ether to give crystals, with melting point 98° C. to 102° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04156670 |
| Source dataset | uspto-grants-1979_05 |
| ORD ID | ord-e53f9eea52924b919eed8b394b02f99a |
| Source note | uspto-grants-1979_05 |