HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 69117520, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Methanol | HCID 887 | — |
| Reactant | Triphenylphosphine | HCID 11776 | — |
| Reactant | HCID 86609122 | HCID 86609122 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Solvent | Ammonium Hydroxide | HCID 14923 | — |
| Product | HCID 69117520 | HCID 69117520 | — |
Reaction Steps
To a solution of (R)-2-azidomethyl-8-(2,5-dichloro-phenyl)-6-fluoro-chroman (240 mg, 0.68 mmol) in tetrahydrofuran (10 mL) and water (0.5 mL) was added triphenylphosphine (0.27 g, 10.2 mmol) and the reaction mixture stirred at room temperature for 24 hours. The solvent was removed under vacuum to form a colorless oil. Chromatography with 0–5% methanol in methylene chloride plus 1% NH4OH afforded {[(R-8-(2.5-dichlorophenyl)-6-fluoro-2H-chromen-2-yl]methyl}amine as a colorless oil. The oil was dissolved in ethyl acetate and made into its hydrochloride salt (121 mg, 45%) using excess ethereal hydrochloric acid to give a white solid, mp 217–219° C.; MS (ES) m/z 324.0 ([M+H]+); [α]D25=+191.22° (c=5.1 mg/0.7 mL MeOH).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07365095B2 |
| Source dataset | uspto-grants-2008_04 |
| ORD ID | ord-c1b4b8f1597c43d983b135c2b7023e69 |
| Source note | uspto-grants-2008_04 |