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Paper | Regular issue | Vol 45, No. 4, 1997, pp.765-772
Published online, 1st January, 1970
DOI: 10.3987/COM-97-7748
Arylation of 1,3-Dimethyllumazines by Arenediazonium Salts

Takashi Sugimoto* and Wolfgang Pfleiderer

*Department of Natural Science Informatics, School of Informatics and Sciences, Nagoya University, Chikusa, Nagoya, Aichi 464-8601, Japan

Abstract

Reaction of 7-methoxy-1,3-dimethyllumazine with benzenediazonium chloride in an alkaline aqueous solution afforded 6-phenyl- and 6-biphenyl-7-methoxy-1,3-dimethyllumazines. Treatment of 7-dimethylamino-1,3-dimethylluamzine with benzenediazonium chloride similarly gave the 6-phenyl and 6-biphenyl derivatives of the substrate together with 7-methylamino-6-phenyl-1,3-dimethyllumazine. Analogous reactions of 7-substituted 1,3-dimethyllumazines with several arenediazonium chlorides are described.