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发明公开
CN104592117A 一种吡唑醚菌酯的合成方法 无效 - 驳回

一种吡唑醚菌酯的合成方法
摘要：
本发明在于提供一种吡唑醚菌酯的合成方法,该方法是以对氯苯胺和邻硝基甲苯为原料，通过对氯苯肼盐酸盐的合成、环合、氧化、溴化、醚化、还原、酯化和甲基化八步反应制备吡唑醚菌酯，这种方法合成的吡唑醚菌酯的纯度在98.0%以上，收率能达到48%。同时工艺具有生产成本低，操用简便和易于工业化生产等特点。
摘要（英）：

The invention aims at providing a synthesis method of pyraclostrobin. The method comprises the following steps: with chloroaniline and ortho-nitrotoluene as raw materials, synthesizing, cyclizing, oxidizing, bromizing, etherifying, reducing, esterifying and methylating chlorophenylhydrazine hydrochloride to prepare the pyraclostrobin. The purity of the pyraclostrobin synthesized through the method disclosed by the invention is 98.0% and more, the yield reaches 48%. And the process is low in cost, simple to operate and easy for industrial production.

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