吡啶 中文名字：氯氰基吡啶 英文名字：Chlorocyanopyridine Cas号：【33252-30-1】 分子结构式： 分子式： C6H3ClN2 别名： 2-氯-4-氰基吡啶;2-氯-4-氰基砒啶;2-氯-4-氰基
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研究了一种直接环合的方法，用2-氯-2氯甲基- 4- 氰基丁醛与三氯氧磷反应来制备2-氯-5-氯甲基吡啶。
A synthetic method of direct cyclization was researched that 2-chloro-2-chloromethyl-4-cyanobutyraldehyde was reacted with phosphorus oxychloride to get 2-chloro-5-chloromethylpyridine.
本文用2-氯-5-氯甲基吡啶经氨基化，和N-氰基乙亚胺酸乙酯反应，最后甲基化得到吡虫清。
In this thesis, 2-chloro-5-chloromethyl pyridine is ammoniated, which followed by the reaction with N-cyano ethyl ethylimidoate, finally is methylated to gain the objective product.
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