Abstract
Four sulfated steroid compounds were isolated from the Kuril population of the starfish Aphelasterias japonica. The structure of a new glycoside, aphelasteroside D, was elucidated as (24R)-29-O-[2-O-sulfo-β-D-glucopyranosyl]-24-ethyl-5α-cholestane-3β,5,6β,8β,15α,29-hexol sodium salt. Other three substances were identified as the known pycnopodioside C, 3-O-sulfo-24,25-dihydromarthasterone, and 3-O-sulfothornasterol A, the latter compound being isolated as a tyrammonium salt for the first time.
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Kicha, A.A., Ivanchina, N.V., Kalinovsky, A.I. et al. Sulfated steroid compounds from the starfish Aphelasterias japonica of the Kuril population. Russian Chemical Bulletin 50, 724–727 (2001). https://doi.org/10.1023/A:1011337617808
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DOI: https://doi.org/10.1023/A:1011337617808