(R)-(4-(5-chloropyrido[2,3-d]pyridazin-8-yl)-3-methylpiperazin-1-yl)(phenyl)methanone 、
4-羟甲基苯硼酸 、
disodium;carbonate 在
四(三苯基膦)钯 作用下,
以yielded (R)-(4-(5-(4-(hydroxymethyl)phenyl)pyrido[2,3-d]pyridazin-8-yl)-3-methylpiperazin-1-yl)(phenyl)methanone 82 (122 mg, 57% yield)的产率得到(R)-(4-(5-(4-(hydroxymethyl)phenyl)pyrido[2,3-d]pyridazin-8-yl)-3-methylpiperazin-1-yl)(phenyl)methanone