Nitaphylline, a new bisindole alkaloid from Kopsia

Natural Product Letters

Volumn 10, Issue 1, 1997, Pages 69-74

  Kam, Toh Seok ^a   Yoganathan, K ^a  

^a UNIVERSITY OF MALAYA   (Malaysia)

Author keywords

Kopsia species; New bisindole alkaloid

Indexed keywords

INDOLE ALKALOID; NITAPHYLLINE; PLANT EXTRACT; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL STRUCTURE; PLANT LEAF; SPECTROSCOPY;

KOPSIA;

EID: 0030936888     PISSN: 10575634     EISSN: None     Source Type: Journal    
DOI: 10.1080/10575639708043698     Document Type: Article

References (8)

1. T. S. Kam, K. Yoganathan, T. Koyano and K. Komiyama (1996). Pauciflorine A and B, Novel Melanin Biosynthesis Inhibitors from Kopsia. Tetrahedron Lett., 37, 5765.
2. T. S. Kam, K. Yoganathan and Chen Wei (1996). Paucidactine A and B, new indole alkaloids with a novel ring system containing a lactone moiety. Tetrahedron Lett., 37, 3603.
3. T. S. Kam, K. Yoganathan and C. H. Chuah (1995). Lundurines A, B and C, new indole alkaloids with a novel carbon skeleton containing a cyclopropyl moiety. Tetrahedron Lett., 36, 759.
4. T. S. Kam, K. Yoganathan and C. H. Chuah (1994). Kopsinitarines A, B and C, novel cage alkaloids from a Malaysian Kopsia. Tetrahedron Lett., 35, 4457.
5. T. S. Kam, K. Yoganathan, C. H. Chuah and Chen Wei (1993). Aspidofractinine alkaloids from a new Kopsia species. Phytochemistry, 32, 1343.
6. T. S. Kam, K. Yoganathan and C. H. Chuah (1993). Kopsidine A and kopsidine B, two novel indole alkaloids from a Malaysian Kopsia. Tetrahedron Lett., 34, 1819.
7. 13C NMR : see Table 1.
8. J. Stockigt, K. H. Pawelka, T. Tanahashi, B. Danieli and W. E. Hull (1983). Voafrine A and Voafrine B, new dimeric indole alkaloids from cell suspension cultures of Voacanga africana Stapf Helv. Chim. Acta 66, 2525.