反应详情

4-[3-(2-Benzyloxy-4-bromophenyl)propyl]benzoic acid (mpt 141°-142° C.) was prepared from a mixture of 4-[3-(2-benzyloxy-4-bromophenyl)prop-2-enyl]benzoic acid and 4-[3-(2-benzyloxy-4-bromophenyl)prop-1-enyl]benzoic acid by a similar method to that of Example 7, (E). The mixture of alkenes was prepared from 2-benzyloxy-4-bromobenzaldehyde and 4-carboxyphenethyltriphenylphosphonium bromide by a similar method to that of Example 1, (G).