HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Hydrochloric Acid → 2,3-Difluoro-6-methoxyphenol
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Hydrochloric Acid | HCID 313 | — |
| Edukt | Hydrogen Peroxide | HCID 784 | — |
| Edukt | Trimethyl borate | HCID 8470 | — |
| Edukt | 3,4-Difluoroanisole | HCID 568250 | — |
| Lösungsmittel | Hexane | HCID 8058 | — |
| Produkt | 2,3-Difluoro-6-methoxyphenol | HCID 3269728 | — |
Reaktionsschritte
Using the procedure of Example 39, 125 g of 3,4-difluoroanisole (commercial) and 500 ml of a 1.6 M solution of N-butyl-lithium in hexane were reacted at −72° C., and then 92.4 ml of trimethylborate, 500 ml of hydrochloric acid and 120 g of intermediate compound were reacted and the product was reacted with 440 ml of 30% hydrogen peroxide to obtain 82.4 g of the expected product melting at 46.6° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US06313305B1 |
| Quelldatensatz | uspto-grants-2001_11 |
| ORD ID | ord-10cec2e76eb542e8969dfa7c2bbe5564 |
| Quellennotiz | uspto-grants-2001_11 |