反应详情

In the same manner as in Example 1 and using ethyl 6-bromo-2-(2-amino-5-fluoroanilino)benzo[b]thiophene-3-carboxylate (3.8 g), 1-methylpiperazine (16 ml), anisole (85 ml) and titanium tetrachloride (3.0 ml), 3-bromo-8-fluoro-12-(4-methylpiperazin-1-yl)-6H-[1]benzothieno[2,3-b][1,5]benzodiazepine (1.16 g) was obtained.