59669-59-9, 3-(tert-Butyl)isoxazol-5-amine is a Isoxazoles compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
59669-59-9, Step 1: Synthesis of compound F-2. Trichloroethyl chloroformate (1.1 mL, 8.6mmol) is added to a mixture of 1 g (7.1 mmol) of compound F-l and 1.8 g (21.4 mmol) of sodium hydrogen carbonate in ethyl acetate/water (1/1, 20 mL) at room temperature. The resulting mixture is vigourously stirred for 3 d and then additional trichloroethyl chloroformate (1.1 mL, 8.6mmol) and sodium hydrogen carbonate (1.8 g, 21.4 mmol) are added. The mixture is stirred for a further 3 h. The aqueous layer is separated and extracted with ethyl acetate (2 x 25mL). The organic layers are combined, dried over MgS04, filtered and the filtrate isconcentrated under reduced pressure. The residue is purified by column chromatography (silica, eluent: ethyl acetate/heptanes) followed by trituration with heptanes to give 397 mg of compound F-2. Yield: 18percent; ES-MS: m/z 315 [M+H]; *H NMR (250 MHz,CHLOROFORM-if) delta ppm 1.33 (s, 9 H) 4.86 (s, 2 H) 6.11 (s, 1 H) 7.68 (br. s., 1 H)
The synthetic route of 59669-59-9 has been constantly updated, and we look forward to future research findings.
Reference£º
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; HICKEY, Eugene Richard; RIETHER, Doris; ERMANN, Monika; WO2012/12307; (2012); A1;,
Isoxazole – Wikipedia
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