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Get PDFα-卤代酰胺是一类十分重要的羰基化合物,广泛存在于众多天然产物和生物活性分子之中.本工作实现了通过卤化锌同时作为催化剂和卤素源的炔酰胺串联氧化/卤化反应,从而避免使用其他的外加卤化试剂.该反应可以中等到良好的产率得到一系列合成上非常有用的α-卤代酰胺化合物
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No full text介绍了通过剥离器后不同电荷态的束流在弯曲磁铁中的传输情况,由此引出一种切割束流的方法,在此基础上设计了一条支束线,以实现两个实验终端同时供束,增加供束时间.在束运线设计过程中,根据HIRFL CSR的实际条件,对束流的中心轨迹和束流包络做了详细的计算,给出了束流输运线的几何布局和各个元件的基本物理参数
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- Editorial Office of Earth Science
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