反应详情

(2-Oxopyrrolidin-1-yl)acetaldehyde and ethyl 3-amino-5-(4-fluorobenzyl)-2-pyridinecarboxylate were treated in a manner similar to that described in Example 5, Step 1 to yield the product as an amber oil: 1H NMR (CDCl3) δ 7.89 (1H, d, J=1.4 Hz), 7.83 (1H, br t, J˜6 Hz), 7.15 (2H, dd, J˜9, 6 Hz), 6.98 (2H, t, J˜9 Hz), 6.92 (1H, s), 4.42 (2H, q, J=7 Hz), 3.92 (2H, s), 3.49 (2H, m), 3.41 (2H, t, J=7 Hz), 3.35 (2H, q, J=6 Hz), 2.36 (2H, t, J=8 Hz), 1.99 (2H, m), 1.42 (3H, t, J=7 Hz); HRMS calcd for C21H24FN3O3+H+: 386.1880. Found: 386.1880.