反应详情

In a similar manner to that described in Reference example 37(b), a reaction was carried out using ethyl 3-(4-benzyloxyphenyl)-2-(4-chlorophenoxy)propionate (5.99 g), which is the product of Reference example 38(a), a solution of hydrogen bromide in acetic acid (25%, 60 ml) and potassium carbonate (4.68 g) and the reaction mixture was treated to afford the desired compound (3.85 g) as colorless crystals.