D-Leucine, methyl ester → (R)-methyl 4-methyl-2-(5-methyl-1H-indole-2-carboxamido)pentanoate

Beteiligte Stoffe

Reaktionsschritte

Prepared in a similar manner to example 4 using 5-Methyl-1H-indole-2-carboxylic acid and D-leucine methyl ester. Yield: 50%. 1H NMR (500 MHz, CDCl3): 0.98 (d, 3H, J=6.3 Hz), 1.00 (d, 3H, J=6.1 Hz), 2.44 (s, 3H), 3.784 (s, 3H), 4.87 (m, 1H), 6.56 (d, 1H, J=8.39 Hz), 6.85 (dd, 1H, J=1.94 Hz, J=0.68 Hz), 7.12 (dd, 1H, J=8.46 Hz, J=1.55 Hz), 7.31 (d, 1H, J=8.45 Hz), 7.42 (s, 1H). MS (MH+, 303).

Herkunft & Nachweise