METHOD FOR PROTECTED 2'-DEOXYCYTIDINE DERIVATIVE PURIFICATION

PROBLEM TO BE SOLVED: To provide a method for industrially purifying a protected 2'- deoxycytidine derivative, with which conventional disadvantages are dissolved. SOLUTION: When the 2'-deoxycytidine derivative is dissolved in a good solvent and the solution is dripped into a poor solvent...

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Bibliographische Detailangaben
Hauptverfasser: TANIGAWA HIROHARU, KOMATSU HIRONORI, AWANO HIROICHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for industrially purifying a protected 2'- deoxycytidine derivative, with which conventional disadvantages are dissolved. SOLUTION: When the 2'-deoxycytidine derivative is dissolved in a good solvent and the solution is dripped into a poor solvent to reprecipitate the 2'-deoxycytidine derivative, the poor solvent is mixed in advance with the good solvent. Consequently, the method for industrially purifying the 2'-deoxycytidine derivative can be provided.