2110 MELVIN S. NEWMAN AND PAUL H. WISE Vol. 83 bromide with the appropriate naphthonitrile. It is of interest to point out significant differences in behavior of 0- methoxyphenylmagnesium bromide, o-tolylmagnesium bromide, and o- chlorophenylmagnesium bromide2b on reaction with 1, 2-naphthalic anhydride under almost identical conditions. With the o-tolyl reagent the above ratio was about 17 and with ...