Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 7752-82-1, name is 5-Bromopyrimidin-2-amine. This compound has unique chemical properties. The synthetic route is as follows. Computed Properties of C4H4BrN3
General procedure: A mixture of bromo compound (1 .0 eq.) and bis(pinacolato)diboron (1 .1 eq.) and potassium acetate (2.0 eq.) dissolved in 1 ,4-dioxane (10 vol) was degassed with argon gas for 15 mm. Subsequently, PdCI2(dppf)CH2C12 (0.05 eq.) was added and the reaction mixture was stirred at 85-100 CC for 16 h. The reaction mixture (generally black color) was filtered and concentrated under reduced pressure. The resulting black mixture was used further without any purification. Intermediate 1-40 was prepared according to the general boronic ester synthesis procedure A by utilizing 5-bromopyrimidin-2-amine (reaction time: 5 h, temperature: 100C). 1H NMR (400 MHz, DMSO) 68.59(s, 2H), 5.43 (brs, 2H), 1.32 (5, 12H);
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Reference:
Patent; IRM LLC; NOVARTIS AG; CHATTERJEE, Arnab Kumar; NAGLE, Advait Suresh; PARASELLI, Prasuna; KONDREDDI, Ravinder Reddy; LEONG, Seh Yong; MISHRA, Pranab Kumar; MOREAU, Robert Joseph; ROLAND, Jason Thomas; SIM, Wei Lin Sandra; SIMON, Oliver; TAN, Liying Jocelyn; YEUNG, Bryan KS; ZOU, Bin; BOLLU, Venkatataiah; WO2014/78802; (2014); A1;,
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