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Title:
AZACITIDINE DISACCHARIDE IMPURITY, PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/072005
Kind Code:
A1
Abstract:
The present invention relates to an azacitidine disaccharide impurity, a preparation method therefor and use thereof. A compound of formula III is obtained by reacting a compound represented by formula IV as a start raw material with a tetraacetyl ribose under the catalysis of a Lewis acid, and the compound of formula III is hydrolyzed to obtain a compound of formula II. The compound of formula II prepared can be used as a reference for the detection of related materials of azacitidine, and is used for quality control applications of azacitidine and related preparations thereof.

Inventors:
DENG HAICUN (CN)
GUO QI (CN)
JIANG BING (CN)
REN JINSHENG (CN)
ZHANG LIANDI (CN)
Application Number:
PCT/CN2018/099074
Publication Date:
April 18, 2019
Filing Date:
August 07, 2018
Export Citation:
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Assignee:
JIANGSU SIMCERE PHARM CO LTD (CN)
NANJING SIMCERE DONGYUAN PHARMACEUTICAL CO LTD (CN)
WUHU SIMCERE ZHONGREN PHARMACEUTICAL CO LTD (CN)
International Classes:
C07H19/12; C07D251/06; C07H1/00
Domestic Patent References:
WO2006099132A12006-09-21
Foreign References:
CN104672289A2015-06-03
Other References:
NAEEM B. HANNA: "6-Methyl-5-Azacytidine-Synthesis, Conformational Pro- perties and Biological Activity. A Comparison of Molecular Conformation with 5-Azacytidine", NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS, vol. 16, 20 August 2006 (2006-08-20), ISSN: 0732-8311
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