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New Triterpene Glycosides from an Ulosa sp. Sponge

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Abstract

New triterpene glycosides, ulososides C, (20S,22S,23R,24S)-3β,22,23-trihydroxy-3-O-(β-D-glucopyranosyl)-32-nor-24-methyllanost-8(9)-ene-30-oic acid, D, (20S,22S,23R,24S)-3β,22,23-trihydroxy-3-O-(β-D-N-acetylglucosaminopyranosyl)-32-nor-24-methyllanost-8(9)-ene-30-oic acid, and E, (20S,22S,23R,24S)-3β,22,23-trihydroxy-3-O-(β-D-glucuronopyranosyl-(1 → 2)-α-D-arabinopyranosyl-32-nor-24-methyllanost-8(9)-ene-30-oic acid, were isolated from an Ulosa sp. sponge. Their structures were determined by spectral methods and chemical transformations. Specific features of their structures are discussed.

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Authors and Affiliations

  1. Far East Division, Russian Academy of Sciences, Pacific Institute of Bioorganic Chemistry, pr. Stoletiya Vladivostoka 159, Vladivostok, 660022, Russia

    A. S. Antonov, A. I. Kalinovskii, P. S. Dmitrenok & V. A. Stonik

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  1. A. S. Antonov
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  2. A. I. Kalinovskii
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  3. P. S. Dmitrenok
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  4. V. A. Stonik
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Antonov, A.S., Kalinovskii, A.I., Dmitrenok, P.S. et al. New Triterpene Glycosides from an Ulosa sp. Sponge. Russian Journal of Bioorganic Chemistry 28, 183–188 (2002). https://doi.org/10.1023/A:1015700102890

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  • DOI: https://doi.org/10.1023/A:1015700102890

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