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Communication | Regular issue | Vol 14, No. 6, 1980, pp.827-829
Published online, 1st January, 1970
DOI: 10.3987/R-1980-06-0827
A Short Route to the 8,13-Dioxo-14-methoxyberbines

G. Manikumar and M. Shamma*

*Department of Chemistry, The Pennsylvania State University, York Campus, P1031 Edgecomb Avenue, York, Pennsylvania 17403, U.S.A.

Abstract

Pyridinium chlorochromate oxidation of oxyprotoberberines, followed by methanol work-up, leads to 8,13-dioxo-14-methoxyberbines.