反应详情

The procedure as described above for synthesis of (4a) was used, except that hexyl magnesium chloride was replaced with octyl magnesium chloride. 1H NMR (300 MHz) (CDCl3): δ 7.36-6.90 (m, 8H), 3.90 (s, 3H), 2.69-2.65 (t, 2H), 1.72-1.68 (m, 2H), 1.42-1.36 (m, 10H), 1.00-0.94 (t, 3H).