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Communication | Regular issue | Vol 53, No. 6, 2000, pp.1259-1262
Published online, 1st January, 1970
DOI: 10.3987/COM-00-8892
A Facile Method for Regioselective 6,7-Disubstitution of Pteridine

Shizuaki Murata,* Chihiro Seo, Masato Kujime, and Takashi Sugimoto

*Graduate School of Human Informatics, Nagoya University, Chikusa, Nagoya 464-8601, Japan

Abstract

Substitution of 1,3-dimethyl-2,4(1H,3H)-pteridinedione 6-triflate by copper acetylide proceeds regioselectively on the 7-position to give corresponding 7-alkynylpteridine 6-triflate whose triflate group can be subsequently replaced by various nucleophiles.