反应详情

By following substantially the procedure described in Example 1, Step A, and using as the reactants [3-bromo-4-(2-methylenebutyryl)phenoxy]acetic acid and concentrated sulfuric acid, there is obtained crude product which after recrystallization from acetic acid yields substantially pure (1-oxo-2-ethyl-7-bromo-5-indanyloxy)acetic acid, m.p. 146°-148° C.

1. customthere is obtained crude product which
2. customafter recrystallization from acetic acid