The oxidation of a series of acylhaloacenaphthenes with sodium dichromate in glacial acetic acid gave the corresponding acylhalo-l,8-naphthalic anhydrides in nearly quantitative yields.4-Bromo-l,8-naphthalic anhydride and 2-ethyl-4-bromo-l,8-naphthalic anhydride each reacted with phenylmagnesium bromide to form a mixture of isomeric keto acids.In connection with our study of the reactions of some polynuclear aroyl acid chlorides and anhydrides with organometallic compounds,2 we have prepared a series of acylhalo-l,8-naphthalic anhydrides of types I and II. In view of the recent I, 8-naphthalic anhydride after a reaction time of (1) Abstract of a portion of the Ph.D. dissertation of
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