Journal
TETRAHEDRON LETTERS
Volume 42, Issue 9, Pages 1713-1716Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(00)02331-5
Keywords
Prorocentrum; marine toxin; spiro-prorocentrimine; X-ray crystallography
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Spiro-prorocentrimine, C42H69NO13S, is a polar lipid-soluble toxin isolated from a laboratory-cultured benthic Prorocentrum species of Taiwan, crystallized in methanol. X-ray diffraction analysis of the compound revealed a spiro-linked cyclic imine with the ortho, para-disubstituted 3'-cyclohexene in addition to its macrolide skeleton. C-13 and H-1 NMR signals were then assigned accordingly. This is the first compound of this group of marine toxins with a clear stereochemistry. (C) 2001 Elsevier Science Ltd. All rights reserved.
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