化学工作者的日常

交流化学知识提高有机水平了解一只有机喵的日常生活与工作

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文号894400

33046

合成3,4-二氨基呋扎

在下松田诚一2021/06/15 00:31:47化学工作者的日常

关键词

有机合成二氨基呋咱

Diaminofurazan

3,4-Diaminofurazan

3,4-二氨基呋扎（3,4-二氨基呋咱）

CAS No.：17220-38-1

熔点：178-183℃

密度：1.582±0.06 g/cm3(Predicted)

二氨基呋咱是一种重要的合成砌块，也是优良性能Energetic materials的重要前体。

合成方法如下

羟胺与乙二醛缩合形成乙二肟，在尿素存在下产生二氨基乙二肟然后脱水合环形成二氨基呋咱。

取42g盐酸羟胺

取32g脲

置于烧瓶中（加磁籽）

加入50ml乙二醇和11.5ml乙二醛

取60ml乙二醇

加入25.6g氢氧化钠制成粘稠的糊状混合物，缓慢加入体系中

加热至165℃，过夜

值得注意的是，高温下脲会挥发，要谨防堵塞冷凝管。以免造成爆炸

反应会放出二氧化碳和水汽，注意避免压力过大，蒸掉水促进反应向产物方向移动

反应完毕后，冷却至室温，将反应体系倾入400ml水中。

乙酸乙酯萃取后硫酸镁干燥

旋干，得到二氨基呋咱

[修改于 3 年前 - 2021/06/15 00:31:47]

已屏蔽原因：{{ notice.reason }}已屏蔽

屏蔽解除屏蔽编辑详情

~~空空如也

在下松田诚一

作者

3年5个月前 IP:天津

894402

1楼

终产物

不是很成功，产率不高

浪里黑条

3年5个月前 IP:上海

894419

2楼

有否试试草酰胺路线？文献显示只需要回流2.5h，且产率显著高于尿素路线（具体是多少忘记了。。。）

在下松田诚一

作者

3年5个月前 IP:天津

894428

3楼

引用浪里黑条发表于2楼的内容

有否试试草酰胺路线？文献显示只需要回流2.5h，且产率显著高于尿素路线（具体是多少忘记了。。。）

有时间可以试试。然后会把结果发上来

哈哈哈哈哈士奇

3年5个月前修改于 3年5个月前 IP:辽宁

894431

4楼

国内外常压法的DAF文献产率普遍注水，一步，二步，三步，精制后产率能过20都算运气好……

QQQQQQQ

1年8个月前修改于 1年4个月前 IP:天津

918141

5楼

可以试试DNOAF 实际上DNOAF没有DNTF路线控制严格，但DNOAF爆热高达7100 爆炸具有最大的响声和火球和爆热和当量，可以说圆筒实验和黑索金或者最顶级的相当氧平衡=-5%我猜铅扩能达到650ml或比DNTF稍大，是真正铅扩能达到TNT当量200%的炸药（铅扩发不太适合黑索金）据说爆速9800 我有点怀疑但爆速一定很高。

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1年8个月前 IP:天津

918142

6楼

因为在我录像的时候 30帧每秒的摄像机没有拍到DNOAF的火球

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