147959-19-1, (S)-tert-Butyl 2,2-dimethyl-4-(2-oxoethyl)oxazolidine-3-carboxylate is a oxazolidine compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
acid [1-(2-hydroxy-2-methyl-propyl)-1H-pyrazol-3-yl]-amide To a cooled solution of (S)-2,2-dimethyl-4-(2-oxo-ethyl)-oxazolidine-3-carboxylic acid t-butyl ester (2.05 g, 8.43 mmol) in dry tetrahydrofuran (25 mL) was added 1.4M methyl magnesium bromide in diethyl ether (6.02 mL) at -78 C. The mixture was stirred at -78 C. for 30 min and then warmed to -5 C. The mixture was extracted with diethyl ether and ammonium chloride solution. The organic layer was dried and concentrated. The crude mixture was purified by ISCO flash chromatography (0 to 60% ethyl acetate/hexanes) to give two fractions. The first fraction afforded (S)-4-((S)-2-hydroxy-propyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid t-butyl ester as a colorless oil (870 mg): 1H NMR (300 MHz, CDCl3) delta ppm 1.20 (d, J=6.0 Hz, 3H), 1.42-1.60 (m, 1H), 1.50 (s, 12H), 1.55 (s, 3H), 1.68-1.88 (m, 1H), 3.66 (d, J=8.8 Hz, 1H), 3.69-3.80 (m, 1H), 3.94-4.08 (m, 1H), 4.17-4.30 (m, 1H), 4.62 (br. s., 1H); The second fraction afforded (S)-4-((R)-2-hydroxy-propyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid t-butyl ester as a white solid (740 mg): 1H NMR (300 MHz, CDCl3) delta ppm 1.22 (d, J=6.0 Hz, 3H), 1.49 (s, 12H), 1.58 (br. s., 3H), 1.75-1.90 (m, 2H), 2.56 (br. s., 1H), 3.75-3.93 (m, 2H), 3.95-4.05 (m, 1H), 4.03-4.20 (m, 1H).
147959-19-1, 147959-19-1 (S)-tert-Butyl 2,2-dimethyl-4-(2-oxoethyl)oxazolidine-3-carboxylate 10586317, aoxazolidine compound, is more and more widely used in various.
Reference£º
Patent; Berthel, Steven Joseph; Brinkman, John A.; Hayden, Stuart; Haynes, Nancy-Ellen; Kester, Robert Francis; McDermott, Lee Apostle; Qian, Yimin; Sarabu, Ramakanth; Scott, Nathan Robert; Tilley, Jefferson Wright; US2009/264445; (2009); A1;,
Oxazolidine – Wikipedia
Oxazolidine | C3H7NO – PubChem