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Synfacts 2005(0): 0005-0005
DOI: 10.1055/s-2005-865346
DOI: 10.1055/s-2005-865346
Synthesis of Natural Products and Drugs
© Georg Thieme Verlag Stuttgart · New York
Total Synthesis of Crambescidins 359 and 431
Z. D. Aron, L. E. Overman*
University of California, Irvine, USA
Further Information
Publication History
Publication Date:
20 July 2005 (online)
Significance
The crambescidins are sponge metabolites with nanomolar cytotoxicity against several tumour cell lines and they display antifungal activity (Candida albicans), antiviral activity (herpes simplex) and anti-HIV activity. Aron and Overman synthesized Crambescidins 359 and 431 and a small library of unnatural compounds with variations in the side chain at C14. They provide the first detailed description of the physical and chemical properties of this class of guanidinium alkaloids.