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Communication | Regular issue | Vol 16, No. 2, 1981, pp.203-207
Published online, 1st January, 1970
DOI: 10.3987/R-1981-02-0203
Simple Synthetic Route to “Oxa-Deaza-Flavins” (2H-[1]-Benzopyrano[2,3-d]pyrimidine-2,4(3H)-diones)

David J. Blythin,* Martin S. Domalski, Young C. Kim, James Kuo, and Jen-Her Liu

*Department of Chemical Research, Medicinal Pharmaceutical Research Division, Schering-Plough Corporation, Bloomfield, NJ 07003, U.S.A.

Abstract

The preparation and reduction of substituted [1]-benzopyrano[2,3-d]pyrimidine-2,4(3H)-diones, “oxa-deaza-flavins”, (II), are described.