反应详情

Analogously to the procedure described in Example I, reaction of 4-hydroxy-1H-quinolin-2-one (24.82 mmol, 4.00 g, prepared according to Monatsh. Chem. 1965, 96, 418) and bromo-4-chlorobutane (29.78 mmol, 5.11 g) afforded 6.70 g of the title compound which is contaminated with reactant. The mixture thus obtained was used in the next step without further purification.