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Communication | Regular issue | Vol 12, No. 9, 1979, pp.1175-1177
Published online, 1st January, 1970
DOI: 10.3987/R-1979-09-1175
Photocycloaddition of Uracils with Dimethyl Acetylenedicarboxylate

Tsuneo Itoh,* Haruo Ogura, Norio Kawahara, and Kyoichi A. Watanabe

*School of Pharmaceutical Sciences, Kitasato University, 5-9-1, Shirokane, Minato-ku, Tokyo 108-8641, Japan


Photocycloaddition of dimethyl acetylenedicarboxylate (DMAD) with 1,3-dimethyl uracils gave new 2 + 2 + 2 cycloaddition products which contain a bicyclo[2.2.0]hexane system in the molecule.