Neovibsanines A and B, unprecedented diterpenes from Viburnum awabuki

Tetrahedron Letters

Volumn 37, Issue 37, 1996, Pages 6767-6770

  Fukuyama, Yoshiyasu ^a   Minami, Hiroyuki ^a   Takeuchi, Kumiko ^a   Kodama, Mitsuaki ^a   Kawazu, Kazuyoshi ^b  

^a TOKUSHIMA BUNRI UNIVERSITY   (Japan)

^b OKAYAMA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

DITERPENE; NEOVIBSANINE A; NEOVIBSANINE B; UNCLASSIFIED DRUG; VIBSANINE B;

ARTICLE; BIOSYNTHESIS; DRUG ISOLATION; DRUG STRUCTURE; MASS SPECTROMETRY; NUCLEAR MAGNETIC RESONANCE; PHOTOCHEMISTRY; PHYTOCHEMISTRY;

VIBURNUM; VIBURNUM AWABUKI;

EID: 0030576944     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(96)01463-3     Document Type: Article

References (7)

1. 1. Kawazu, K. Agric. Biol. Chem. 1980, 44, 1367.
2. 2. Fukuyama, Y.; Nakahara, M.; Minami, H.; Kodama, M.; Chem. Pharm. Bull. 1996, 44, 1417.
3. 3. Minami, H.; Takahashi, E.; Fukuyama, Y.; Kodama, M.; Yoshizawa, T.; Nakagawa, K.; Chem. Pharm. Bull. 1995, 43, 347.
4. 5Na.
5. 3-4'), 2.10 (1H, m, H-13), 2.25 (1H, ddd, J = 13.4, 10.0, 5.0 Hz, H-12), 2.47 (1H, d, J = 11.2 Hz, H-10); 4.08 (1H, d, J = 10.3 Hz, H-18), 4.25 (1H, dd, J = 10.3, 2.0 Hz, H-18), 4.63 (1H, d, J = 1.2 Hz, H-6), 5.27 (1H, dd, J = 12.5, 11.2 Hz, H-9), 5.28 (1H, m, H-14), 5.32 (1H, dt, J = 2.7, 2.0 Hz, H-2), 5.30 (1H, d, J = 1.2 Hz, H-5), 5.62 (1H, qq, J = 1.2, 1.2 Hz, H-2'), 7.47 (1H, d, J = 12.5 Hz, H-8).
6. 5Na.
7. 7. Devon, T. K.; Scott. A. I.; Handbook of Naturally Occurring Compounds. Vol. II, Academic Press, New York, 1972, p. 186.