Adding a certain compound to certain chemical reactions, such as: 4774-14-5, name is 2,6-Dichloropyrazine, belongs to pyrazines compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 4774-14-5, Formula: C4H2Cl2N2
A solution of compound 8 (450.0 g, 3.02 mol) in cone. aq. NH3 (3.0 L) was stirred at 135°C overnight in a 10 L sealed pressure vessel. TLC and LC/MS showed complete conversion of the starting material. The reaction mixture was cooled to room temperature and filtered to afford a white solid. The solid was washed with water (200 mL x 3), and then dried to afford compound 9 (312 g, 80percent yield) as a solid. 1HNMR (400 MHz, DMSO- 6): delta 7.82 (s, 1 H), 7.12 (s, 1 H), 6.93 (s, 2H). MS Calcd.: 129 MS Found: 130 ([M+H]+).
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Reference:
Patent; IMARA, INC.; H. LUNDBECK A/S; SVENSTRUP, Niels; PARACHIKOVA, Anna I.; MCARTHUR, James; (133 pag.)WO2018/9424; (2018); A1;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem