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Artelastochromene a Diprenylphyranoflavone and Β-Resorcylaldehyde from the Wood Trunk of Artocarpus Lanceifolius
Didin Mujahidin, Sjamsul Arifin Achmad, Yana Maolana Syah, Norio Aimi, Euis Holisotan Hakim, Mariko Kitajima, Lukman Makmur, Hiromitsu Takayama & Rusjdi Tamin
Abstract. Two phenolic constituent, namely artelastochromene (1), a diprenyl pyranoflavone, and β-resorcylaldehyde (2) had been isolated from the wood trunk of Artocarpus lanceifolius Roxb. (Moraceae), an endemic species of Indonesia, locally known as Keledang. The structures of both compounds were elucidated based on physical and spectroscopic data (MS, 1H and 13C NMR). Both artelastochromene (1) and β-resorcylaldehyde (2) showed very slight toxic effect against shrimp nauplii Artemia salina Leach., LC50 298,2 and 79,7 μg/mL, respectively.
Keywords: Artelastochromene; Artemia salina Leach; Artocarpus lanceifolius Roxb.; Keledang; pyranoflavone; β-resorcylaldehyde
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