反应详情

200 ml of 50% aqueous sodium hydroxide solution and 1 g of triethylbenzylammonium chloride are added to a solution of 23.8 g of 7-hydroxyisoflavone in 100 ml of CH2Cl2, 20 g of 1-chloro-1-phenyl-3-dimethylaminopropane is added dropwise while stirring and stirring is continued for a further hour. Working up in the customary manner gives 7-(1-phenyl-3-dimethylaminopropoxy)-isoflavone. M.p. 128°-130°.

1. additionis added dropwise
2. stirringstirring
3. waitis continued for a further hour