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  • Title: An Acetylenic Lipid from the New Zealand Ascidian Pseudodistoma cereum: Exemplification of an Improved Workflow for Determination of Absolute Configuration of Long-Chain 2-Amino-3-alkanols.
    Author: Pearce AN, Hill CAE, Page MJ, Keyzers RA, Copp BR.
    Journal: J Nat Prod; 2019 Aug 23; 82(8):2291-2298. PubMed ID: 31356078.
    Abstract:
    An acetylenic 2-amino-3-alcohol, distaminolyne B (2), isolated from the New Zealand ascidian Pseudodistoma cereum, is reported. The isolation and structure elucidation of 2 and assignment of 2S,3S absolute configuration (AC) using the exciton coupled circular dichroism technique are described. Using a methodologically facile workflow, the same AC was also established by analysis of specific rotation, terminal methyl C-1 δC chemical shift, and NH δH and J values of the N,O-diacetate derivative.
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