反应详情

Intermediate 28 was coupled with N-methyl piperazine following procedure F. LC-MS showed the product had the expected M+H+ of 404. 1H NMR (Varian 300 MHz, CDCl3, shifts relative to the solvent peak at 7.24 ppm) δ 8.3 (d, 1H) 7.9 (m, 2H) 7.4 (m, 2H) 7.1 (d, 2H) 7.0 (d, 1H) 6.7 (d, 2H) 5.2 (m, 1H) 3.7 (m, 2H) 3.6 (s, 2H) 2.9 (m, 2H) 2.7 (s, 8H) 2.4 (s, 3H).