Dinoflagellate neurotoxins related to saxitoxin: Structures of toxins C3 and C4, and confirmation of the structure of neosaxitoxin期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Dinoflagellate neurotoxins related to saxitoxin: Structures of toxins C3 and C4, and confirmation of the structure of neosaxitoxin

Authors:	S. Hall S.D. Darling G.L. Boyer P.B. Reichardt H.-W. Liu

Affiliation:	1. Woods Hole Oceanographic Institution, Woods Hole MA 02543 USA;2. Department of Chemistry, University of Akron, Akron OH 44325 USA;3. Department of Oceanography, University of British Columbia, Vancouver BC, Canada V6T 1W5;4. Department of Chemistry, University of Alaska, Fairbanks AK 99701 USA;5. Department of Chemistry, Massachusetts Institute of Technology, Cambridge MA 02139 USA

Abstract:	By x-ray crystallography of the 11β epimer, toxins C3 and C4 are shown to be 21-sulfo-N-1-hydroxysaxitoxin-11α- and 11β-hydroxysulfate, confirming the position and identity of the 3 substituents which, with the parent compound, form the array of 12 saxitoxins found in $Protogonyaulax$ .

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