(2S)-2-amino-3-(tert-butoxy)propanoic acid → O-(tert-Butyl)-N-{[(2,2-dimethylhex-5-en-1-yl)oxy]carbonyl}-L-serine

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O-(tert-Butyl)-N-{[(2,2-dimethylhex-5-en-1-yl)oxy]carbonyl}-L-serine was prepared according to the procedure for 3-methyl-N-[(pent-4-enyloxy)carbonyl]-L-valine using O-(tert-butyl)-L-serine and 2,2-dimethylhex-5-en-1-ol. 1H NMR (500 MHz, CDCl3, ppm) δ 5.75-5.86 (m, 1 H), 4.90-5.04 (m, 2 H), 4.02 (m, 1 H), 3.57-3.90 (m, 4 H), 1.98-2.05 (m, 2 H), 1.27-1.36 (m, 2 H), 1.14 (s, 9 H), 1.01 (d, J=6.5 Hz, 1 H), and 6.09 (s, 6 H).

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