Chemistry involves the study of all things chemical – chemical processes, chemical compositions and chemical manipulation – in order to better understand the way in which materials are structured, how they change and how they react in certain situations. Electric Literature of 141-30-0
The invention discloses a method for preparing azintamide method, comprises the steps of preparing […] compound solution, then the reaction preparation azintamide, after the azintamide purification, characterized in that in the preparation of […] compound in the solution process, the water and sodium sulfide are mixed and dissolved; dissolved by adding sulfur; addition of 3, 6 – reflect two chlorine clip clop qin of sodium sulfite is added into the system, to prevent oxidation; pour the reaction preparation azintamide in sodium sulfite, prevent oxidation; drip […] alcohol and N, N – diethyl – 2 – chloroacetamide mixed solution, while monitoring the pH value is 8 – 10 within the scope of the; then the azintamide purification. The preparation of the invention azintamide method step is simple, environmental protection, high yield, low cost, and is suitable for mass production. (by machine translation)
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Reference：
Pyridazine – Wikipedia,
Pyridazine | C4H4N1565 – PubChem