16066-84-5, name is tert-Butyl methylcarbamate, belongs to amides-buliding-blocks compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. 16066-84-5
A. Methyl-oxiranylmethyl-carbamic acid tert-butyl ester. To a solution of Methyl-carbamic acid tert-butyl ester (1 g, 7.62 mmol) in anhydrous DMF (25 mL) cooled to 0 C. was added sodium hydride (60% dispersion in mineral oil, 0.33 g, 8.38 mmol). After stirring the solution at 0 C. for 30 minutes and 1 hour at room temperature, a solution of 2-Bromomethyl-oxirane (1.04 g, 7.62 mmol) in DMF (2.5 mL) was added dropwise. After stirring the solution at room temperature for 24 hours, the reaction mixture was diluted with ethyl acetate and quenched with water and brine. The ethyl acetate layer was then successively washed with brine, dried over Na2SO4, filtered, and the solvent evaporated in vacuo to yield an oil. The oil was purified via flash chromatography (10% ethyl acetate in dichloromethane) to yield the title compound as a clear oil (0.88 g, 62%). 1H NMR (400 MHz, CDCl3) delta 3.78-3.75 (m, 0.5H), 3.56-3.50 (m, 0.5H), 3.21-3.07 (m, 2H), 2.94 (s, 3H), 2.79-2.77 (m, 1H), 2.53-2.51 (m, 1H), 1.47 (s, 9H).
Statistics shows that 16066-84-5 is playing an increasingly important role. we look forward to future research findings about tert-Butyl methylcarbamate.
Reference:
Patent; BIGNAN, Gilles; Gaul, Micheal; Xu, Guozhang; Zhao, Bao-Ping; US2011/200586; (2011); A1;,
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