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Canadian journal of chemistry, v.91 no.6, 2013년, pp.382 - 386
Lee, Seung Young (Natural Products Laboratory, School of Pharmacy, Sungkyunkwan University, 300 Chonchon-dong, Jangan-ku, Suwon 440-746, Korea.) , Kim, Ho Kyung (Natural Products Laboratory, School of Pharmacy, Sungkyunkwan University, 300 Chonchon-dong, Jangan-ku, Suwon 440-746, Korea.) , Lee, Kang Ro (Natural Products Laboratory, School of Pharmacy, Sungkyunkwan University, 300 Chonchon-dong, Jangan-ku, Suwon 440-746, Korea.)
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Two new lupane-type triterpenes, 24β-hydroxylupenone (1) and 3β-hydroxy-lup-20(29)-en-24-al (2), and two new ursane-type triterpenes, 28-formyloxy-3β-hydroxy-urs-12-ene (3) and 28-formyloxy-3β-acetoxy-urs-12-ene (4), together with 26 known triterpenes (5-30) were isolated from th...
L'extraction des feuilles et du tronc de Ilex cornuta Lindl. a permis d'isoler deux nouveaux triterpènes de la famille du lupane, la 24β-hydroxylupénone (1) et le 3β-hydroxylup-20(29)-én-24-al (2), deux nouveaux triterpènes de la famille de l'ursane, le 28-formyloxy-3-β-hydroxyurs-12-ène (3) et le 28-formyloxy-3-β-acétoxyurs-12-ène (4) ainsi que vingt-six triterpèrenes connus (5-30). Les structures des nouveaux composés ont été déterminées par des méthodes spectroscopiques, dont des données de RMN 1D et 2D [spectroscopie de corrélation (“COSY”); corrélation de liens multiples hétéronucléaires (“HMBC”); corrélation multiquantique hétéronucléaire (“HMQC”); spectroscopie de l'effet Overhauser nucléaire (“NOESY”)] et des données de spectrométrie de masse à haute résolution (SM-HR). [Traduit par la Rédaction]
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