5-({[4-methoxy-3-(2-methoxyethoxy)phenyl]amino}methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione 在
hexanes 作用下,
以
二苯醚-联苯共晶 为溶剂,
反应 1.0h,
以yielding 1.68 g of the title compound as a tan solid (94%), mass spectrum (electrospray, m/e)的产率得到6-methoxy-7-(2-methoxyethoxy)-1,4-dihydroquinolin-4-one