Tenuisines A, B and C, novel bisindoles with C2 symmetry from Kopsia tenuis

Tetrahedron Letters

Volumn 37, Issue 48, 1996, Pages 8811-8814

  Kam, Toh Seok ^b   Yoganathan, K ^b   Li, Hong Yu ^a  

^a TOHOKU UNIVERSITY   (Japan)

^b UNIVERSITY OF MALAYA   (Malaysia)

Author keywords

[No Author keywords available]

Indexed keywords

INDOLE ALKALOID; TENUISINE A; TENUISINE B; TENUISINE C; UNCLASSIFIED DRUG;

ARTICLE; DRUG ISOLATION; DRUG STRUCTURE; NUCLEAR MAGNETIC RESONANCE; PHYTOCHEMISTRY; PLANT; SPECTROSCOPY;

KOPSIA; KOPSIA TENUIS;

EID: 0001077513     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(96)01996-X     Document Type: Article

References (14)

1. 1. (a) Kam, T. S., Yoganathan, K., Koyano, T. and Komiyama, K. Tetrahedron Lett., 1996, in press.
2. (b) Kam, T. S., Yoganathan, K. and Chen Wei. Tetrahedron Lett., 1996, 37, 3603.
3. (c) Kam, T. S., Yoganathan, K. and Chuah, C. H. Tetrahedron Lett., 1995, 36, 759.
4. (d) Kam, T. S., Yoganathan, K. and Chuah, C. H. Tetrahedron Lett., 1994, 55, 4457.
5. (e) Kam, T. S., Yoganathan, K. and Chuah, C. H. Tetrahedron Lett., 1993, 34, 1819.
6. (f) Kam, T. S., Yoganathan, K., Chuah, C. H. and Chen Wei Phytochemistry, 1993, 32, 1343.
7. (g) Kam, T. S., Yoganathan, K. and Wong, W. H. Nat. Prod. Lett., 1995, 5, 301.
8. (h) Kam, T. S., Tan, P. S., Hoong, P. Y. and Chuah, C. H. Phytochemistry, 1993, 32, 489.
9. 2. Awang, K., Sevenet, T., Hadi, A. H. A., David, B. and Pais, M. Tetrahedron Lett., 1992, 33, 2493.
10. 3. Ruangrungsi, N., Likhitwitayawuid, K., Jongbunprasert, V., Ponglux, D., Aimi, N., Ogata, K., Yasuoka, M., Haginiwa, J. and Sakai, S. Tetrahedron Lett, 1987, 28, 3679.
11. 4. Hamburger, M. O., Cordell, G. A., Likhitwitayawuid, K. and Ruangrungsi, N. Phytochemistry, 1988, 27, 2719.
12. 5. The H-18 signals corresponding to the two conformers are resolved at 600 MHz and gave the same ratio of major to minor conformers (1.7 : 1).
13. 6. Homberger, K. and Hesse, M. Helv. Chim. Acta, 1982, 65, 2548.
14. 7 . Full details of compounds 1, 2 and 3 will be reported subsequently elsewhere.