Two new pregnane glycosides from soft coral Cladiella krempfi

• Published in: Journal of asian natural products research Vol. 8; no. 4; pp. 287 - 291
• Main Authors: Huang, X.-P., Deng, Z.-W., Ofwegen, L. V., Li, J., Fu, H.-Z., Zhu, X.-B., Lin, W.-H.
• Format: Journal Article
• Language: English
• Published: ABINGDON Taylor & Francis Group 01.06.2006; Taylor & Francis
• Subjects: Animals; Anthozoa - chemistry; Biological and medical sciences; Chemistry; Chemistry, Applied; Chemistry, Medicinal; Cladiella krempfi; General pharmacology; Glycosides - chemistry; Glycosides - isolation & purification; Life Sciences & Biomedicine; Marine; Medical sciences; Molecular Structure; Pharmacognosy. Homeopathy. Health food; Pharmacology & Pharmacy; Pharmacology. Drug treatments; Physical Sciences; Plant Sciences; Pregna-20-en-3-O-α-fucopyranoiside; Pregna-5,20-dien-3-O-α-fucopyranoside; Pregnadienes - chemistry; Pregnadienes - isolation & purification; Pregnanes - chemistry; Pregnanes - isolation & purification; Pregnenes - chemistry; Pregnenes - isolation & purification; Science & Technology; Soft coral; Asia; China; DITERPENES; AUSTRALIS; pregna-20-en-3-O-alpha-fucopyranoiside; NICOBAR ISLANDS; Cladiella krempfi; EUNICELLIN; STEROL; soft coral; pregna-5,20-dien-3-O-alpha-fucopyranoside; Pregnane derivatives; Steroid; Aldose; Pharmacognosy; Saturated compound; Animal origin; Saponin; Marine environment; Pregna-20-en-3-O-α- fucopyranoiside; Coelenterata; Soft coral; Cnidaria; Pregna-5,20-dien-3-O-α-fucopyranoside; Isolation; Glycoside; Invertebrata; Ethylenic compound; Structural analysis
• ISSN: 1028-6020; 1477-2213
• DOI: 10.1080/10286020500034782

Two new pregnane-type steroidal glycosides, pregna-5,20-dien-3-O-α-fucopyranoside (1) and pregna-20-en-3-O-α-fucopyranoiside (2), along with two known pregnane derivatives, were isolated from the soft coral Cladiella krempfi. Their structures were determined by spectroscopic data analysis.