HRID1475995
反应详情
EQUATION
反应方程式
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PROCEDURE
实验过程
[(tert-Butoxy)carbonyl]amino (2S)-2-{[(tert-butoxy)carbonyl](methyl)amino}-4-methylpentanoate is prepared from (2S)-2-{[(tert-butoxy)carbonyl](methyl)amino}-4-methylpentanoic acid and N-tert-butoxycarbonyl hydroxylamine according to Scheme 6. The compound exists as rotomers and is reported as such. (1.8 g, 58%), 1H NMR (500 MHz, CHLOROFORM-d) δ ppm 7.49-8.06 (1H, m), 4.75-5.10 (1H, m), 2.86 (3 H, d, 7.8 Hz), 1.66-1.88 (2H, m), 1.54-1.64 (1H, m), 1.50 (9H, s), 1.47 (9H, d, 3.7 Hz), 0.96 (6H, dd, 10.7, 6.6 Hz).