反应详情

Compound 344 was prepared as a light yellow solid (TFA salt) from compound 4 and compound 345 using chemistry similar to that described in example 200. 1H NMR (500 MHz, CD3OD) δ ppm 9.65 (1 H, s), 9.33 (1 H, s), 8.63-8.68 (2 H, m), 8.15 (1 H, d, J=9.8 Hz), 7.94 (1 H, d, J=9.8 Hz), 5.46 (1 H, qt), 4.33 (2 H, q, J=7.1 Hz), 4.11 (2 H, s), 3.98 (4 H, br. s.), 3.46 (4 H, t, J=5.1 Hz), 2.45-2.59 (2 H, m), 2.13-2.31 (4 H, m), 1.84-1.96 (2 H, m), 1.34 (3 H, t, J=7.2 Hz). LCMS-ESI (POS), M/Z, M+1: Found 502.3.