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Communication | Regular issue | Vol 32, No. 2, 1991, pp.229-230
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5655
Acid-catalyzed Photoreaction of 6-Chloro-1,3-dimethyluracil in Benzene; Synthesis of Cyclooctapyrimidine-2,4-dione

Koh-ichi Seki,* Nobuhiko Kanazashi, and Kazue Ohkura

*Faculty of Pharmaceutical Sciences, Higashi-Nippon-Gakuen University, Ishikari-Tobetsu, Hokkaido 061-0293, Japan


The photolysis of 6-chloro-1,3-dimethyluracil in benzene afforded 1,3-dimethyl-6-phenyluracil, while the photoreaction in the presence of trifluoroacetic acid afforded 1,3-dimethylcyclooctapyrimidine-2,4-dione as a major product.