HuagongsheHuagongshe Chemistry Print Report · For research reference only
Pyridine → Methyl 2-ethoxy-3-{4-[2-(6-[(methoxyimino)(phenyl)methyl]-2-oxo-1,3-benzothiazol-3(2H)-yl)ethoxy]phenyl}propanoate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Pyridine | HCID 1049 | — |
| Reactant | O-Methylhydroxylamine hydrochloride | HCID 521874 | — |
| Reactant | Methyl 3-{4-[2-(6-benzoyl-2-oxo-1,3-benzothiazol-3(2H)-yl)ethoxy]phenyl}-2-ethoxypropanoate | HCID 11584254 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | Methyl 2-ethoxy-3-{4-[2-(6-[(methoxyimino)(phenyl)methyl]-2-oxo-1,3-benzothiazol-3(2H)-yl)ethoxy]phenyl}propanoate | HCID 72808510 | — |
Reaction Steps
To 30 ml of methanol add the compound obtained in Step C (0.00198 mol), O-methyl-hydroxylamine hydrochloride (0.00594 mol) and pyridine (0.00594 mol). Heat at reflux for 3 hours. Evaporate to dryness. Add 100 ml of hydrochloric acid (1N) and then extract with 50 ml of dichloromethane twice. The organic phase is dried over MgSO4 and then evaporated to yield the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07071221B2 |
| Source dataset | uspto-grants-2006_07 |
| ORD ID | ord-e9e46de2e79a488992aeb4f0734723aa |
| Source note | uspto-grants-2006_07 |