Process for preparing 5-halocytosine-1-nucleosides
    1.
    发明授权
    Process for preparing 5-halocytosine-1-nucleosides 失效
    制备5-羟基喹啉-1-核苷酸的方法

    公开(公告)号:US3651044A

    公开(公告)日:1972-03-21

    申请号:US3651044D

    申请日:1966-02-24

    Applicant: UPJOHN CO

    Inventor: HUNTER JAMES H

    CPC classification number: C07H19/06 A61K31/70 Y10S514/912

    Abstract: CYTOSINE-1-NUCLEOSIDES CAN BE HALOGENATED USING AN NHALO CYCLIC IMIDE, E.G., N-BROMOUSUCCINIMIDE. GLACIAL ACETIC ACID IS A PREFERED REACTION MEDIUM. THE NOVEL COMPOUNDS 1-B-D-ARABINOFURANOSYL-5-(CHLORO-, BROMO-, AND IODO-) CYTOSINE WERE PREPARED DIRECTLY FROM CYTOSINE ARABINOSIDE AND FOUND TO HAVE THE ANTIVIRAL AND ANTITUMOR ACTIVITY OF CYTOSINE ARABINOSIDE. THE NEW COMPOUNDS ARE LESS TOXIC IN THE ANIMAL BODY THAN CYTOSINE ARABINOSIDE.

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