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Title:
METHOD FOR PREPARING ACETYLATED CYTOSINE TRIPHOSPHATE AND INTERMEDIATE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/185812
Kind Code:
A1
Abstract:
Disclosed in the present invention is a method for preparing acetylated cytosine triphosphate and an intermediate thereof. A method for preparing a compound as represented by formula 3, the method comprising the following steps: carrying out a deacetylation reaction on compound 2 to obtain the compound as represented by formula 3. According to the synthesis method of the present invention, the reaction time is greatly shortened (the reaction process is shorter than 2 hours), the cost is saved, the reaction conditions are simplified, and the reaction product is relatively singular.

Inventors:
LI SONG (CN)
GUO CHUANXIN (CN)
CAI XIAORU (CN)
XU HAI (CN)
QIAN QIJUN (CN)
Application Number:
PCT/CN2023/084318
Publication Date:
October 05, 2023
Filing Date:
March 28, 2023
Export Citation:
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Assignee:
MAXIRNA SHANGHAI PHARMACEUTICAL CO LTD (CN)
MAXIRNA ZHEJIANG TECH CO LTD (CN)
International Classes:
C07H19/067; C07H1/00; C07H19/10
Domestic Patent References:
WO2016145142A12016-09-15
Foreign References:
CN114656511A2022-06-24
CN103974724A2014-08-06
Other References:
KUBOKI, ATSUHITO ET AL.: "Synthesis of Regioselectively Protected Forms of Cytidine based on Enzyme-catalyzed Deacetylation as the Key Step", BIOSCIENCE, BIOTECHNOLOGY, AND BIOCHEMISTRY, vol. 64, no. 2, 31 December 2000 (2000-12-31), pages 364 - 365, XP055556291, ISSN: 0916-8451, DOI: 10.1271/bbb.64.363
SENTHILVELAN ANNAMALAI, SHANMUGASUNDARAM MUTHIAN, KORE ANILKUMAR R.: "An efficient protection-free chemical synthesis of inosine 5'-nucleotides", NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS, TAYLOR & FRANCIS, US, vol. 39, no. 6, 2 June 2020 (2020-06-02), US , pages 829 - 837, XP093097353, ISSN: 1525-7770, DOI: 10.1080/15257770.2019.1708388
Attorney, Agent or Firm:
SHANGHAI BESHINING LAW OFFICE (CN)
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