HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Dichloromethane → Ammonium Hydroxide
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Dichloromethane | HCID 6344 | — |
| Edukt | 2-chloro-N-(2,4-dihydroxyphenyl)acetamide | HCID 52904873 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | Ammonium Hydroxide | HCID 14923 | — |
| Produkt | 7-hydroxy-3,4-dihydro-2H-1,4-benzoxazin-3-one | HCID 10057870 | — |
Reaktionsschritte
To a solution of 2-chloro-N-(2,4-dihydroxyphenyl)acetamide (20 g, 0.0995 mol) in CH2Cl2 (250 mL) sodium hydride (7.164 g, 0.2985 mol) was slowly added at RT. The resulting mixture was stirred for 6 h before water (10 mL) was slowly added. The solution was concentrated in vacuo and purified with column chromatography using 100% CH2Cl2→25%→40% 90:10:1 CH2Cl2:MeOH:NH4OH to yield the title compound. MS (ESI, pos. ion) m/z: 166 (M+1). Mass cal'd for C8H7NO3: 165.04.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US07435823B2 |
| Quelldatensatz | uspto-grants-2008_10 |
| ORD ID | ord-dc43a5fa4c844bcf9d10af557d86cd4d |
| Quellennotiz | uspto-grants-2008_10 |