The present invention discloses a method for preparing azoxystrobin intermediates represented by formulae (1) and (2), comprising: controlling a compound represented by formula (3) to contact with sodium methoxide and 4,6-dichloropyrimidine, to obtain a mixture of intermediates represented by formulae (1) and (2), in the existence of a catalyst, the catalyst is an azabicyclic compound or its salt. The present invention further discloses a method for preparing azoxystrobin, comprising: controlling the intermediate represented by formula (2) provided in the present invention to react with 2-cyanophenol or its salt under the catalytic action of an azabicyclic compound or its salt, to obtain an azoxystrobin compound represented by formula (4). The method provided in the present invention has advantages including high transformation ratio, high product purity, easy and convenient operation, and environmental friendliness.
本发明揭示了一种制备由式(1)和(2)表示的阿托霉唑
中间体的方法,包括:控制由式(3)表示的化合物与甲
氧基
钠和4,6-二
氯嘧啶接触,以在存在
催化剂的情况下获得由式(1)和(2)表示的
中间体的混合物,其中
催化剂为
吡啶环化合物或其盐。本发明还揭示了一种制备阿托霉唑的方法,包括:控制本发明提供的由式(2)表示的
中间体,在
吡啶环化合物或其盐的催化作用下与2-
氰基
苯酚反应,以获得由式(4)表示的阿托霉唑化合物。本发明提供的方法具有高转化率、高产品纯度、操作简便方便和环保友好等优点。