Adding a certain compound to certain chemical reactions, such as: 431-38-9, 3-Amino-1,1,1-trifluoropropan-2-ol, 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, category: alcohols-buliding-blocks, blongs to alcohols-buliding-blocks compound. category: alcohols-buliding-blocks
[1369] A solution of 3-amino-1,1,1-trifluoropropan-2-ol (0.016 g, 0.122 mmol), HATU (0.046 mg, 0.122 mmol), and 3-amino-6-(5-(3-amino-1,1,1-trifluoro-2-hydroxy-3-oxopropan-2-yl)-2-methylphenyl)pyrazine-2-carboxylic acid (0.030 g, 0.081 mmol) (single enantiomer, synthesized according to procedure in Example 38) in DMF (0.810 mL) was stirred at rt for 5 min, treated with triethylamine (0.034 mL, 0.243 mmol), and stirred at rt for 30 min. The reaction mixture was concentrated and purified by flash column chromatography using methanol in dichloromethane (0% to 20%) to give the desired product that still contained some impurities. This material was repurified by flash column chromatography using ethyl acetate in hexanes (0% to 100%) to give the desired product as a mixture of diastereomers. The mixture of diastereomers was separated via preparative chiral HPLC (Chiral Technologies ChiralPak IA [20250 mm, 5 micron], eluting with 15% ethanol in hexanes, at flow rate of 20 mL/min, loading about 8 mg in 1.8 mL ethanol) to give the first eluting diastereomer (3.20 mg, 8.21%) as 43A and the second eluting diastereomer (3.00 mg, 7.69%) as 43B. The first diastereomer that eluted had a retention time of 12.2 min. The second diastereomer that eluted had a retention time of 16.6 min. 43A: LCMS for C18H18F6N5O4(M+H)+: m/z=482.1; Found: 482.1. 43B: LCMS for C18H18F6N5O4 (M+H)+: m/z=482.1; Found: 482.1.
At the same time, in my other blogs, there are other synthetic methods of this type of compound,431-38-9, 3-Amino-1,1,1-trifluoropropan-2-ol, and friends who are interested can also refer to it.
Reference:
Patent; Incyte Corporation; Douty, Brent; Ai, Yanran; Burns, David M.; Combs, Andrew P.; Falahatpisheh, Nikoo; Levy, Daniel; Polam, Padmaja; Shao, Lixin; Shepard, Stacey; Shvartsbart, Artem; Yue, Eddy W.; (132 pag.)US2020/2295; (2020); A1;,
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