HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Hydrochloric Acid → (alphaR)-alpha-((Methoxycarbonyl)amino)benzeneacetic acid
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Hydrochloric Acid | HCID 313 | — |
| Edukt | Methyl chloroformate | HCID 6586 | — |
| Edukt | Phenylglycine, D- | HCID 70134 | — |
| Edukt | Sodium Bicarbonate | HCID 516892 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Lösungsmittel | Tetrahydrofuran | HCID 8028 | — |
| Produkt | (alphaR)-alpha-((Methoxycarbonyl)amino)benzeneacetic acid | HCID 10910775 | 80% |
Reaktionsschritte
D-(−)-α-Phenylglycine (0.165 mmol) was dissolved in tetrahydrofuran (500 mL), followed by the addition of NaHCO3 (0.496 mmol) in water (500 mL), and then the addition of methylchloroformate (0.182 mmol) at room temperature. The reaction mixture was stirred at room temperature overnight. The mixture was acidified to pH=3 with HCl (1N) and the volatile was concentrated in vacuo. The aqueous layer was extracted with ethyl acetate and the organic layer was dried over MgSO4, filtered, and concentrated in vacuo to give compound 31 as a pale yellow solid in 80% yield. MS (ESI, EI+) m/z=209 (MH+).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US09187496B2 |
| Quelldatensatz | uspto-grants-2015_11 |
| ORD ID | ord-d29ace45e3554fff8245c4da1b951547 |
| Quellennotiz | uspto-grants-2015_11 |