HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 90054394, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Methanol | HCID 887 | — |
| Reactant | 1,4-Dioxane | HCID 31275 | — |
| Reactant | HCID 90054371 | HCID 90054371 | — |
| Product | HCID 90054394 | HCID 90054394 | — |
Reaction Steps
To an ice-cooled solution consisting of (R)-6,6-difluoro-3,3-dimethyltetrahydropyrrolo[1,2-c]oxazol-5(3H)-one (intermediate 6, 1.28 g, 6.70 mmol) in methanol (20 mL) was added dropwise 4N HCl in dioxane (3.0 mL, 12 mmol) and stirred at room temperature for 16 hours. The resulting mixture was concentrated and the product concentrate used without purification; TLC Rf 0.60 (solvent system 93:7 v/v dichloromethane-methanol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09440919B2 |
| Source dataset | uspto-grants-2016_09 |
| ORD ID | ord-2b004693c9474898852cf6882b6af186 |
| Source note | uspto-grants-2016_09 |