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公开(公告)号:EP2324042B1
公开(公告)日:2012-11-28
申请号:EP09791228.1
申请日:2009-08-06
申请人: Sicor, Inc.
IPC分类号: C07H19/12 , C07H1/00 , A61K31/706
CPC分类号: C07H1/00 , C07H19/12 , Y10T436/147777
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公开(公告)号:EP2324042A1
公开(公告)日:2011-05-25
申请号:EP09791228.1
申请日:2009-08-06
申请人: Sicor, Inc.
IPC分类号: C07H19/12 , C07H1/00 , A61K31/706
CPC分类号: C07H1/00 , C07H19/12 , Y10T436/147777
摘要: The present invention provides a processes for preparing 5 -Azacytidine, and intermediates thereof, said process Comprising reacting a silylated 5-azacytosine of the formula (II), a sugar moiety having of the formula (III): and a protic acid; wherein R is a substituted or non substituted C
1 -C
20 acyl moiety, R
1 , R
2 and R
3 are each independently H or an alkyl group, and X is a halogen. The present invention further provides an analytical method for determining the purity of 5-Azacytidine in a sample.摘要翻译: 本发明提供了用于制备5-氮杂胞苷及其中间体的方法,所述方法包括使式(II)的甲硅烷基化5-氮杂胞嘧啶,具有式(III)的糖部分和质子酸反应; 其中R为取代或未取代的C 1 -C 20酰基部分,R 1,R 2和R 3各自独立地为H或烷基,并且X为卤素。 本发明进一步提供了确定样品中5-氮杂胞苷纯度的分析方法。
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