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中文摘要：
用NaBH4-CuCl／EtOH体系高选择地还原了α，β-不饱和酰胺的碳碳双键，考察了还原剂NaBH4和CuCl的用量、溶剂、不同的卤化物等因素对反应的影响．产物的结构经IR，^1H—NMR和元素分析等证实．该方法具有反应速度快（30min）、操作简便、试剂价廉易得等优点．
英文摘要：
A reducing system, NaBH4-CuCl/EtOH, are applied for the selective reduction of carbon-carbon double bond of α,β--unsaturated amides with high selectivity. Effects of the amount of NaBH4 and CuCl, solvent, different halide on the reaction have been investigated. The structure of products is characterized by IR,^1 H-NMR and elemental analysis. This method only requires inexpensive reagents, simple instruments, and a short reaction time（30 minutes）.
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