反应详情

Intermediate 146 from above was coupled with tyramine following procedure F. The product was deprotected by procedure G2. LC-MS showed the product had the expected M+H+ of 434. 1H NMR (Varian 300 MHz, DMSO-d6, shifts relative to the solvent peak at 2.49 ppm) δ 8.4 (d, 1H) 7.8 (s, 1H) 7.3 (d, 1H) 7.1 (m, 3H), 6.6 (m, 3H), 3.9 (s, 3H) 3.6 (m, 4H) 3.5 (d, 2H) 3.43-3.37 (m, 2H) 3.2 (m, 2H) 2.8 (t, 2H), 1.5 (d, 3H).