((2S,4S)-4-(4-(Benzoylamino)-2-Oxopyrimidin-1(2H)-yl)-1,3-Dioxolan-2-yl)Methyl Acetate置于氨体系中,用 甲醇 用作溶剂,化学反应 16.0H,以85%的收率获得曲沙他滨 参考文献: Dioxolane Analogues Of Uridine For The Treatment Of Cancer[fr] Analogues Dioxolane D'Uridine Pour Le Traitement Du Cancer 标题: Dioxolane Analogues Of Uridine For The Treatment Of Cancer[fr] Analogues Dioxolane D'Uridine Pour Le Traitement Du Cancer 摘要:这项发明提供了式(I)的化合物,其中:R1为or11或nr5R5';R2为h或f;R5为h,C1-C6烷基,Oh,C(=o)R6,O(C=o)R6或o(C=o)Or6;R5´为h或c1-C6烷基;R6为c1-C6烷基或c3-C7环烷基;R13为h,苯基,吡啶基,苄基,吲哚基或萘基,其中苯基,吡啶基,苄基,吲哚基和萘基可选择地被1,2或3个r22取代;其他变量如索权中所定义,用于癌症治疗及相关方面.
专利号:US-11731959-B2 优先权日:2015-08-26 标题:Troxacitabine synthesis and crystal form thereof 发明人:ZHOU JAMES 权利人:BEIJING HEBABIZ BIOTECHNOLOGY CO LTD; GUANGXI HEBABIZ PHARMACEUTICAL TECH CO LTD; BEIJING HEBABIZ BIOTECHNOLOGY CO INC 摘要:This invention provides synthesis method, crystallization method, etc. for troxacitabine, and also the crystal form and use of troxacitabine.
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合成参考文献
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