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E-Journal of Chemistry
Volume 5, Issue 1, Pages 114-119

Synthesis and Characterization of New Diketone Analogues of Podophyllotoxin

K. H. Hemakumar, A. D. Sathisha, and Y. B. Basavaraju

Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore-570 006, Karnataka, India

Received 2 June 2007; Accepted 13 July 2007

Copyright © 2008 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The new compounds 6,6a-dihydro-2,3-dimethoxy-9-nitro–11bH benzo [C]-fluoren 5,7-dione, 6,6a-dihydro-2,3-dimethoxy-9-chloro–11bH benzo[C]-fluoren-5,7-dione and 6,6a-dihydro-2,3-dimethoxy-9-fluoro–11bH benzo[C]-fluoren-5,7- dione were synthesized in high yields. They are analogues of naturally occurring lignan podophyllotoxin which exhibits anticancer activity. They are very essential to study anticancer activity.