反应详情

Following the same method described as in Example 2, 7.15 g (15 mmol) of tetraethyl 6-methoxy-2-naphthylthiomethanediphosphonate obtained in Example 3 in dry methylene chloride was treated with trimethylsilyl bromide, and then hydrolyzed to obtain 4.21 g of the title compound as white crystals. The yield was 77%.