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On Phthalides and 1,3-Indandiones. XLIII. Preparation of 2-(l-Naphthyl)-l,3-indandiones and 2-(2-Naphthyl)-l,3-indandiones Substituted in Position 5 of the Indandione Ring and in Position 4(1) of the Naphthalene Ring

M. Hrnčiarová and P. Hrnčiar

Department of Chemistry, Medical Faculty, Komenský University, Bratislava 1

 

Abstract: The preparation of 5-X-2-(4-Y-l-naphthyl)-l,3-indandiones and 5-X-2-(l-Y-2-naphthyl)-l,3-indandiones from the corresponding phthalides by rearrangement with sodium methoxide in methanol as well as by condensation of 4-X-phthalic anhydrides with 1-naphthylacetic acid and 2-naphthylacetic acid, respectively, in the presence of triethylamine is described. The starting 5(6)-X-3-(l-Y-2-naphthal)phthalides were obtained by chlorination, bromination, and nitration of 5(6)-X-3-(2-naphthal)phthalides.

Full paper in Portable Document Format: 253a215.pdf

 

Chemical Papers 25 (3) 215–221 (1971)

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