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On Phthalides and 1,3-Indandiones. XXXII. Preparation and Reactions of 5(6)-Chloro-3-(naphthal-1')-phthalide and 5(6)-Bromo-3-(naphthal-1')phthalide

P. Hrnčiar and J. Úlehla

Department of Organic Chemistry, Faculty of Natural Sciences, Komenský University, Bratislava 1

 

Abstract: The preparation of 5-X-3-(naphthal-1')phthalide and 6-X-3-(naphthal-1')phthalide (X = CI, Br) is described either by the condensation of 4-X-phthalic anhydride with 1-naphthylacetic acid, or via 5-nitro-3-(naphthal-1')phthalide and 6-nitro-3-(naphthal-1')phthalide. The phthalides thus prepared were subjected to the electrophilic substitution reactions on the naphthalene ring; the substitution was found to occur at position 4'.

Full paper in Portable Document Format: 231a59.pdf

 

Chemical Papers 23 (1) 59–65 (1969)

Tuesday, June 18, 2024

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