6-(benzylamino-methyl)-5-methyl-4-(4-phenoxy-phenylamino)-pyrrolo[1,2-b]pyridazine-3-carbonitrile 、
三乙胺 、
乙酸酐 在
chloroform methanol 作用下,
以
二氯甲烷 为溶剂,
以TLC to give the 414 (25 mg, 83%) as light yellow powder (2% MeOH—CHCl3)的产率得到N-Benzyl-N-[3-cyano-5-methyl-4-(4-phenoxy-phenylamino)-pyrrolo[1,2-b]pyridazin-6-ylmethyl]-acetamide