4-[6-(3-fluoro-2-methyl-benzyl)-3-methylcarbamoyl-5-phenyl-pyrrolo[1,2-b]pyridazine-7-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester 、 、
盐酸 、
1,4-二氧六环 在
乙醚 、
6-(3-fluoro-2-methyl-benzyl)-5-phenyl-7-(piperazine-1-carbonyl)-pyrrolo[1,2-b]pyridazine-3-carboxylic acid methylamide hydrochloride 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
以to give 0.118 g of the title compound in the form of 6-(3-fluoro-2-methyl-benzyl)-5-phenyl-7-(piperazine-1-carbonyl)-pyrrolo[1,2-b]pyridazine-3-carboxylic acid methylamide hydrochloride as a pale orange solid with the following characteristics的产率得到6-(3-Fluoro-2-methyl-benzyl)-5-phenyl-7-(piperazine-1-carbonyl)-pyrrolo[1,2-b]pyridazine-3-carboxylic acid methylamide