【摘要】 研究了２，５－二苦基－１，３，４－口恶二唑（ＤＰＯ）的制备技术，探讨了ＤＰＯ的４步合成方法、关键技术和工艺条件，对４步产物进行了结构认定，改进了第３步产物——双（２，４，６－三硝基苯甲酰）肼（ＢＴＮＢＨ）的合成，提高了产率。更多还原

【Abstract】 This paper introduces the preparation of 2,5 dipicryl 1,3,4 oxadiazole (DPO).The four steps synthesis, key techniques and technological conditions of DPO have been explored.The structure of products of the foursteps chemical reactions are confirmed.The synthesis of the third step product—bis(2,4,6 trinitrobenzoyl)hydrazine has been greatly improved.更多还原