N-cyclopropyl-6-[(7-hydroxyquinolin-4-yl)oxy]-2-methyl-1-benzofuran-3-carboxamide 、
1,2-二溴乙烷 在
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
以61%的产率得到6-([7-(2-bromoethoxy)quinolin-4-yl]oxy)-N-cyclopropyl-2-methyl-1-benzofuran-3-carboxamide