HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Hydrochloric Acid → O-Methyltyrosine
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Hydrochloric Acid | HCID 313 | — |
| Edukt | Sodium Hydroxide | HCID 14798 | — |
| Edukt | 5-(4-Methoxy-benzyl)-hydantoin | HCID 95727 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | O-Methyltyrosine | HCID 97118 | — |
Reaktionsschritte
A solution of 148 g. of 5-p-methoxybenzyl hydantoin and 188 g. of sodium hydroxide in one liter of water is heated at reflux for 25 hours. The solution is cooled and made acid to pH 1 with concentrated hydrochloric acid. The formed solid is separated by filtration, washed with water and dried to give the above named compound, mp. 255° C. dec.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04111923 |
| Quelldatensatz | uspto-grants-1978_09 |
| ORD ID | ord-ad2f9784c50e47a380a258bb024a23b0 |
| Quellennotiz | uspto-grants-1978_09 |