The addition of bromine to warm aqueous solutions of the sodium salts of p-anisic, a- thenoic, phenylacetic, m-methoxyphenylacetic, cis-and trans-cinnamic, cis-and trans- stilbene-a-carboxylic and dl-and d-hydratropic acids led to rapid replacement of the carboxylate group by bromine. No geometric isomerization of the cis-trans-stilbene pair occurred. The d-hydratropic acid produced dl-bromide, but it was shown independently ...
