Dulxanthone E: a pyranoxanthone from the leaves of Garcinia dulcis

Autor: Li Hong Hu, See Chung Yip, Tony Sukri, Tida S. Daulay, Jagadese J. Vittal, Tiah Rachmatia, Geok Kheng Tan, Soleh Kosela, Keng-Yeow Sim
Rok vydání: 1999
Předmět:
Zdroj: Phytochemistry. 52:1375-1377
ISSN: 0031-9422
DOI: 10.1016/s0031-9422(99)00387-8
Popis: A pyranoxanthone, dulxanthone E isolated from Garcina dulcis, was elucidated as 5,9,10,12-tetramethoxy-2,2-dimethyl-2H-pyrano[5,6-b]xanthen-6-one by various NMR techniques and confirmed by X-ray crystallography.
Databáze: OpenAIRE