In continuation of our work' on starfish saponins, we report the isolation of the hitherto unknown 17~-methyl-3S,6cc-dihydroxy-18-no~5~-cholesta-9(ll)-l3-dien-23-one (I) from the sapoge nin portion of Astropecten aurantiacus, and show that it is an artefact produced during acid hydrolysis. Compound
✦ LIBER ✦
Marine Organic Chemistry, III. Isolation of 3β, 6α-Dihydroxy-5α-cholest-9(11)-en-23-one from the Starfish Stichaster striatus
✍ Scribed by Neira, Carlos; Hoeneisen, Maritza; Silva, Mario; Sammes, Peter G.
- Book ID
- 121221446
- Publisher
- American Chemical Society
- Year
- 1984
- Tongue
- English
- Weight
- 154 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0163-3864
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A recent report describing the isolation of 6a-hydroxy-36-sulfo-oxy-5u-pregn-9(ll)-en-20-one1 from Asterias amurensis prompts us to report the characterization of the related 36-hydroxy-5a-cholesta-9(11),20( 22)-dien-23-one-6a-yl-B-D-6'-deoxy glucoside (2). This substance was isolated during our con