反应详情

42 Ml of β-naphthol and 16.2 g of anhydrous aluminum chloride are added to the solution of 2-acetyl-5-bromo-6-methoxynaphthalene obtained as in example 1a), while keeping the temperature at -10° C. The reaction mixture is kept for 48 hours under stirring at room temperature and then it is worked as in example 1 with the only difference that the product is crystallized by isopropyl alcohol. 19 Grams of product are obtained with a yield equal to 38.7% calculated on the basis of the starting material 1-bromo-2-methoxynaphthalene.

1. customobtained as in example 1a),
2. customat -10° C
3. customis crystallized by isopropyl alcohol
4. custom19 Grams of product are obtained with a yield equal to 38.7%