Reaktion #86586
ord-1bcb029a3e0d49aa978b77f684bff4c5
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
2.85 g of atosiban acetate is prepared by dissolving the linear atosiban obtained from Example 2 in 250 ml of 5% acetonitrile aqueous solution, adjusting the pH value to 8 to 9 with 30% ammonia water, adding 0.60 g of H2O2, reacting for 10 min at 25° C., monitoring with HPLC (HPLC: 75.6%), filtering after reaction, purifying filtrate by preparative RP-HPLC (column C18 or C8), transferring salt, and freeze-drying, MS: 994.5, HPLC: 99.4%.