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Note | Special issue | Vol 47, No. 2, 1998, pp.1005-1012
Published online, 1st January, 1970
DOI: 10.3987/COM-97-S(N)69
New Steroidal Lactones from Withania coagulance

Atta-ur-Rahman,* Muhammad Shabbir, Dur-e-Shahwar, M. Iqbal Choudhary,* Wolfgang Voelter, and Dirk Hohnholz

*International Centre for Chemical Sciences, H. E. J. Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan


Four new withanolides, coagulin B (1), coagulin C (2), coagulin D (3) and coagulin E (4) were isolated from the aerial parts of Withania coagulance. The structures (1-4) have been determined through spectroscopic studies.