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Paper | Regular issue | Vol 27, No. 4, 1988, pp.911-916
Published online, 1st January, 1970
DOI: 10.3987/COM-87-4421
Carbon-13 Nmr Assignments of Berberine and Sanguinarine

Gábor Blaskó, Geoffrey A. Cordell,* Sutatip Bhamarapravati, and Chiristpher W. W. Beecher

*Program for Collaborative Research in the Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, 833 South Wood St., Chicago, IL 60612-7231, U.S.A.

Abstract

Unambiguous proton and carbon-13 nmr assignments for the proroberberine alkaloid, berberine (1) and for the benzo[c]phenanthridine alkaloid, sanguinarine (2) were accomplished through the judicious use of APT, CSCM 1D and selective INEPT spectroscopy.