📜乙酰氨基丙二酸二乙酯 以88的收率获得产物奥特那班盐酸盐 参考文献: A Process For The Preparation Of An Intermediate For A Triazolopyrimidine Carbonucleoside[fr] Procédé Pour La Préparation D'Un Intermédiaire Pour Un Carbonucléoside De Triazolopyrimidine 标题: A Process For The Preparation Of An Intermediate For A Triazolopyrimidine Carbonucleoside[fr] Procédé Pour La Préparation D'Un Intermédiaire Pour Un Carbonucléoside De Triazolopyrimidine 摘要:一种制备式(II)的4,6-二卤嘧啶-5-胺或其盐的方法,包括将式(iii)的5-氨基嘧啶-4,6-二醇或其盐,或者化合物式(iii)或其盐的溶剂与卤代试剂反应,新的中间体有助于制备式(II)的化合物以及制备这些中间体的方法.该发明还涉及一种从式(iia)的4,6-二卤-2-(丙硫基)嘧啶-5-胺制备替卡格雷洛或其药学上可接受的盐的方法.
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合成参考文献
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