Process for preparing AZT
    2.
    发明授权
    Process for preparing AZT 失效
    制备AZT的方法

    公开(公告)号:US5466787A

    公开(公告)日:1995-11-14

    申请号:US152803

    申请日:1993-11-15

    CPC分类号: C07H19/06

    摘要: A process for preparing AZT and comprising the steps of:a) reacting a 2'-halo-5'-protected pyrimidinyl 2'-deoxyribonucleoside having a 3'-sulfonyl group with tributyl tin hydride and catalytic amount of azobisisobutyronitrile in an ether, ester, or ketone solvent to yield a dehalogenated pyrimidinyl 2'-deoxyribonucleoside; followed byb) reacting said dehalogentated pyrimidinyl 2'-deoxynucleoside formed in step (a) with a base, a lithium salt, and an azide salt to yield a 5'-protected pyrimidinyl 3'-dideoxy-3'-azido-ribonucleoside; andc) deprotecting the nucleoside derivative of step (b) to yield 3'-dideoxy-3'-azidothymidine.

    摘要翻译: 一种制备AZT的方法,包括以下步骤:a)使具有3'-磺酰基的2'-卤代-5'-保护的嘧啶基2'-脱氧核糖核苷与三丁基锡氢化物和催化量的偶氮二异丁腈反应在醚,酯 或酮溶剂,得到脱卤嘧啶基2'-脱氧核糖核苷; 然后b)使步骤(a)中形成的脱卤代嘧啶基2'-脱氧核苷与碱,锂盐和叠氮盐反应,得到5'-保护的嘧啶基3'-二脱氧-3'-叠氮基 - 核糖核苷; 和c)使步骤(b)的核苷衍生物脱保护得到3'-二脱氧-3'-叠氮胸苷。