Electric Literature of 1232431-75-2, The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 1232431-75-2, name is 4-Bromopyridine-2,3-diamine. This compound has unique chemical properties. The synthetic route is as follows.
2,3-diamino-4-bromopyridine (320 mg, 1.7 mmol)Mix with 20 ml of dimethyl oxalate, warm to reflux and stir for 3-4 hours.After the reaction solution was cooled, the resulting solid was filtered off.The solid was dispersed in 15 ml of N,N-dimethylformamide.Add 1 g of activated carbon, raise the temperature to reflux, and filter it hot after 1 hour.1 ml of water was added to the filtrate and allowed to stand for 1 hour.The precipitated white solid is filtered and washed with water.95% ethanol wash,Ethyl acetate wash to give 8-bromo-5-azaquinoxaline-2,3-dione white solid(332 mg, yield 80.6%).
According to the analysis of related databases, 1232431-75-2, the application of this compound in the production field has become more and more popular.
Reference:
Patent; Shanghai Jiao Tong University; Wang Yongxiang; Fu Lei; Xie Dongsheng; Lu Jun; (37 pag.)CN103435561; (2016); B;,
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