Journal
JOURNAL OF NATURAL PRODUCTS
Volume 79, Issue 3, Pages 463-469Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jnatprod.5b00831
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Funding
- Victoria University of Wellington
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An unusual tetrahalogenated indole with the exceptionally rare inclusion of the three halogens bromine, chlorine, and iodine was found using mass spectrometry within a fraction of a semipurified extract obtained from the red alga Rhodophyllis membranacea. We report herein the isolation and structure elucidation, using a combination of NMR spectroscopy and mass spectrometry, of 11 new tetrahalogenated indoles (1-11), including four bromochloroiodoindoles (5-7, 10). Several were evaluated for cytotoxic and antifiingal activities against the HL-60 promyelocytic cell line and Saccharomyces cerevisiae, respectively.
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