HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 60922928, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Dichloromethane | HCID 6344 | — |
| Reactant | HCID 85844602 | HCID 85844602 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | Ammonia | HCID 222 | — |
| Product | HCID 60922928 | HCID 60922928 | 77.5% |
Reaction Steps
Borane-tetrahydrofuran complex (40 ml of a 1.0 N solution in THF, 40 mmol) was added dropwise at 0° C. to a solution of 2,2-difluoro-N-(2-hydroxyethyl)acetamide (2.78 g, 20 mmol) in tetrahydrofuran (30 ml). The mixture was warmed to ambient temperature and then heated at reflux for 18 hours. The reaction mixture was cooled to ambient temperature and concentrated hydrochloric acid (6 ml) was added dropwise. The solvent was evaporated and the crude product was purified by chromatography on silica gel. Elution with dichloromethane:methanolic ammonia (96:4) then dichloromethane:methanolic ammonia (94:6) yielded 2-((2,2-difluoroethyl)amino)ethanol (0.97 g, 39% yield):
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07402585B2 |
| Source dataset | uspto-grants-2008_07 |
| ORD ID | ord-2702ca62c5a84a158eb9f6675b0d790a |
| Source note | uspto-grants-2008_07 |