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Diptoindonesin A,a new C-glucoside of epsilon-viniferin from Shorea seminis (Dipterocarpaceae)
Authors:Aminah Nanik S  Achmad Sjamsul A  Aimi Norio  Ghisalberti Emilio L  Hakim Euis H  Kitajima Mariko  Syah Yana M  Takayama Hiromitsu
Affiliation:Department of Chemistry, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, Indonesia.
Abstract:A new C-glucoside of epsilon-viniferin, named diptoindonesin A (1), was isolated from the ethyl acetate extract of the tree bark of Shorea seminis, together with the known stilbene oligomers (-)-ampelopsin A (2), (-)-alpha-viniferin (3), and (-)-hopeaphenol (4). The structure of 1 was determined from spectroscopic evidence.
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