New bioactive marine steroids from the Okinawan soft coral Clavularia viridis

Steroids

Volumn 61, Issue 7, 1996, Pages 439-446

  Watanabe, Kinzo ^a   Iwashima, Makoto ^a   Iguchi, Kazuo ^a  

^a TOKYO UNIVERSITY OF PHARMACY AND LIFE SCIENCES   (Japan)

Author keywords

cell growth inhibition; Clavularia viridis; soft coral; structure; X ray crystallographic analysis

Indexed keywords

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CELL GROWTH; CORAL; NUCLEAR OVERHAUSER EFFECT; PROTEIN ISOLATION; PROTEIN STRUCTURE; PROTON NUCLEAR MAGNETIC RESONANCE; SPECTROSCOPY; STEROID ANALYSIS; X RAY CRYSTALLOGRAPHY;

ALCYONACEA; ANTHOZOA; CLAVULARIA VIRIDIS;

EID: 0030201069     PISSN: 0039128X     EISSN: None     Source Type: Journal    
DOI: 10.1016/0039-128X(96)00077-3     Document Type: Article

References (7)

1. 1. Kikuchi H, Tsukitani Y, Iguchi K, Yamada Y (1982). Clavulones, new type of prostanoids from the stolonifer Clavularia viridis Quoy and Gaimard. Tetrahedron Lett 23:5171-5174.
2. 2. Kikuchi H, Tsukitani Y, Iguchi K, Yamada Y (1983). Absolute stereochemistry of new prostanoids clavulone I, II and III, from Clavularia viridis Quoy and Gaimard. Tetrahedron Lett 24:1549-1552.
3. 3. Iguchi K, Kaneta S, Mori K, Yamada Y, Honda A, Mon Y (1985). Chlorovulones, new halogenated marine prostanoids with an antitumor activity from the stolonifer Clavularia viridis Quoy and Gaimard. Tetrahedron Lett 26:5787-5790.
4. 4. Iguchi K, Kaneta S, Mori K, Yamada Y, Honda A, Mori Y (1986). Bromovulone I and iodovulone I, unprecedented brominated and iodinated marine prostanoids with antitumor activity isolated from the Japanese stolonifer Clavularia viridis Quoy and Gaimard. J Chem Soc Chem Commun 981-982.
5. 5. Kobayashi M, Lee NK, Son BW, Yanagi K, Kyogoku Y, Kitagawa I (1984). Stoloniferone-a, -b. -c and -d, four new cytotoxic steroids from the Okinawan soft coral Clavularia viridis. Tetrahedron Lett 25:5925-5928.
6. 6. Stothers JB (1972). Structure and stereochemical applications. In: Carbon-13 NMR Spectroscopy. Academic Press, New York and London, pp. 389-506.
7. 7. Kikuchi T, Kadota S, Matsuda S, Suehara H (1984). Structure and C-13 signal assignments of new methylsterols from Nervilia purpurea by two-dimensional NMR spectroscopy. Tetrahedron Lett 25:2565-2568.