Batukinaxanthone, a new trioxygenated diprenylated chromenxanthone from Calophyllum thwaitesii

Natural Product Letters

Volumn 8, Issue 4, 1996, Pages 241-243

  Dharmaratne, H R W ^a   Wanigasekera, W M A P ^a   Amarasekara, A S ^b  

^a INSTITUTE OF FUNDAMENTAL STUDIES   (Sri Lanka)

^b UNIVERSITY OF COLOMBO   (Sri Lanka)

Author keywords

Batukinaxanthone 6,8 dihydroxy 2,2 dimethyl 5,7 di(3 methyl but 2 enyl) 2H,5H pyrano (3,2 a) xanthene 5 one ; C. thwaitesii; Guttiferae

Indexed keywords

BATUKINAXATHONE; DICHLOROMETHANE; PLANT EXTRACT; UNCLASSIFIED DRUG; XANTHONE DERIVATIVE;

ARTICLE; CHEMICAL STRUCTURE; LIQUID CHROMATOGRAPHY; PLANT ROOT;

CALOPHYLLUM THWAITESII;

EID: 0029790906     PISSN: 10575634     EISSN: None     Source Type: Journal    
DOI: 10.1080/10575639608044901     Document Type: Article

References (4)

1. M. Dahanayake, I. Kitagawa, R. Somanathan, and M.U.S. Sultanbawa (1974). Chemical Investigation of Ceylonese Plants. Part V11. Extractives of Calophyllum thwaitesii Planch and Triana and Calophyllum walkeri Wight (Guttiferae). J. Chem. Soc [Perkin Trans.1], 2510-2514.
2. H.R.W. Dharmartne, S. Sotheeswaran and S. Balasubramaniam (1984). Triterpenes and Neoflavonoids of Calophyllum lankansis and Calophyllum thwaitesii. Phytochemistry , 23. 2601-2603.
3. H.R.W. Dharmaratne, S. Sotheeswaran, S. Balasubramaniam and J. Reisch(1986). Xanthones from roots of three Calophyllum species. Phytochemistry, 25, 1957-1959.
4. H.R.W. Dharmaratne and W.M.A.P. Wanigasekera(1996). Xanthones from root bark of Calophyllum thwaitesii. Phytochemistry (in press).