Reaktion #86588
ord-358548c2860447c2b5cd32ad7dc6fdd6
Reaktionsgleichung
Reagenzien
Keine
Lösungsmittel
Reaktionsbedingungen
Detaillierte Bedingungen
See reaction.notes.procedure_details.
Aufarbeitung
- 1Filtrationfiltering
- 2Sonstigeafter reaction
- 3Sonstigepurifying filtrate by preparative RP-HPLC (column C18 or C8)
- 4Sonstigefreeze-drying
Vorschrift
2.95 g of atosiban acetate is prepared by dissolving the linear atosiban obtained from Example 2 in 250 ml of 10% acetonitrile aqueous solution, adjusting the pH value to 8 to 9 with 30% ammonia water, adding 0.85 g of H2O2, reacting for 60 min at 25° C., monitoring with HPLC (HPLC: 83.5%), filtering after reaction, purifying filtrate by preparative RP-HPLC (column C18 or C8), transferring salt, and freeze-drying, MS: 994.5, HPLC: 99.4%.