Online article for Non-subscribers

Pay per view

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact:

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

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.


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