Tetrahedron Letters p. 3537 - 3538 (1984)
Update date:2022-07-29
Topics:
Hall
Darling
Boyer
et al.
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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