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Paper | Regular issue | Vol 32, No. 9, 1991, pp.1729-1736
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5760
The Pyrrolizidine Alkaloids from Senecio racemosus

Wasim Ahmed, Zaheer Ahmed, Abdul Malik,* Fatma Ergun, and Bilge Sener*

*H. E. J. Postgraduate Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan

Abstract

Two new pyrrolizidine alkaloids, racemocine and racemonine, have been isolated from Senecio racemosus. Their structures (1 and 2) have been assigned on the basis of spectral studies including 2D-nmr.