反应详情

Using methods described in Example 18, and starting with (R)-4-(2-methylpiperazin-1-yl)-1-phenylpyrido[4,3-d]pyridazine 16 (125 mg, 409 μmol, triethylamine (80 μl, 614 μmol), and piperidine-1-carbonyl chloride (67 μl, 532 μmol) afforded (R)-(3-methyl-4-(1-phenylpyrido[4,3-d]pyridazin-4-yl)piperazin-1-yl)(piperidin-1-yl)methanone 38. MS 416.2 (calc'd) 417.3 (M+H, found).