تفاعل #86586
ord-1bcb029a3e0d49aa978b77f684bff4c5
معادلة التفاعل
atosiban
ammonia water
H2O2
→
atosiban acetate
المتفاعلات
الكواشف
لا شيء
المذيبات
ظروف التفاعل
الظروف التفصيلية
See reaction.notes.procedure_details.
المعالجة
- 1ترشيحfiltering
- 2أخرىafter reaction
- 3أخرىpurifying filtrate by preparative RP-HPLC (column C18 or C8)
- 4أخرىfreeze-drying
الإجراء التجريبي
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%.