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The Isolation, Structure Elucidation and Bioactivity Study of Chilensosides A, A₁, B, C, and D, Holostane Triterpene Di-, Tri- and Tetrasulfated Pentaosides from the Sea Cucumber Paracaudina chilensis (Caudinidae, Molpadida).

ABSTRACT: Five new triterpene (4,4,14-trimethylsterol) di-, tri- and tetrasulfated pentaosides, chilensosides A (1), A₁ (2), B (3), C (4), and D (5) were isolated from the Far-Eastern sea cucumber Paracaudina chilensis. The structures were established on the basis of extensive analysis of 1D and 2D NMR spectra and confirmed by HR-ESI-MS data. The structural variability of the glycosides concerned the pentasaccharide chains. Their architecture was characterized by the upper semi-chain consisting of three sugar units and the bottom semi-chain of two sugars. Carbohydrate chains of compounds 2-5 differed in the quantity and positions of sulfate groups. The interesting structural features of the glycosides were: the presence of two sulfat

SUBMITTER: Silchenko AS

PROVIDER: S-EPMC9658831 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Dataset Information

The Isolation, Structure Elucidation and Bioactivity Study of Chilensosides A, A₁, B, C, and D, Holostane Triterpene Di-, Tri- and Tetrasulfated Pentaosides from the Sea Cucumber Paracaudina chilensis (Caudinidae, Molpadida).

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Dataset Information

The Isolation, Structure Elucidation and Bioactivity Study of Chilensosides A, A1, B, C, and D, Holostane Triterpene Di-, Tri- and Tetrasulfated Pentaosides from the Sea Cucumber Paracaudina chilensis (Caudinidae, Molpadida).

OmicsDI is part of the ELIXIR infrastructure

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The Isolation, Structure Elucidation and Bioactivity Study of Chilensosides A, A₁, B, C, and D, Holostane Triterpene Di-, Tri- and Tetrasulfated Pentaosides from the Sea Cucumber Paracaudina chilensis (Caudinidae, Molpadida).