氯-5-三氟甲基吡啶 Chloro-5-pyridine
2,3-二氯-5-三氟甲基吡啶是杀虫剂氯氟脲类合成农药的关键中间体。
2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.
前言： 2，3-二氯-5-三氟甲基吡啶是合成农药杀虫剂定虫隆、 除草剂吡氟氯禾灵和杀菌剂氟啶胺的关键中间体。
Abstrat:2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron , herbicide haloxyfop and bactericide fluazinam .
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.
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