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Communication | Regular issue | Vol 22, No. 10, 1984, pp.2217-2220
Published online, 1st January, 1970
DOI: 10.3987/R-1984-10-2217
Simple Syntheses of Pyrrolo- and Furopyrimidine Derivatives

Norio Kawahara,* Takako Nakajima, Tsuneo Itoh, and Haruo Ogura

*Hokkaido College of Pharmacy, 7-1 Katsuraoka-cho, Otaru 047-02, Japan

Abstract

Simple and efficient syntheses of furo[2,3-d]pyrimidine-2,4-diones, 7-deazacaffeines and dihydrofuropyrimidine-2,4-diones from 5- or 6-substituted pyrimidines by acid catalyzed cyclization reactions are described.