Two New Iridoids from the Stem of Catalpa ovata |
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| Authors: | Xiang Hua Han Chul Lee Jin Woo Lee Qinghao Jin Hari Jang Ha Ju Lee Dongho Lee Sung‐Joon Lee Jin Tae Hong Mi Kyeong Lee Bang Yeon Hwang |
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| Affiliation: | 1. College of Pharmacy, Chungbuk National University, Cheongju 362‐763, Korea, (phone: +82‐43‐261‐2814;2. fax +82‐43‐268‐2732);3. Eco‐friendly Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeonbuk 580‐185, Korea;4. Korean Forest Research Institute, Seoul 130‐712, Korea;5. College of Life Sciences and Biotechnology, Korea University, Seoul 136‐713 Korea |
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| Abstract: | Two new iridoids, 6‐O‐[(E)‐feruloyl]jioglutin D ( 1 ) and 6‐O‐(4‐hydroxybenzoyl)jioglutin D ( 2 ), and six known compounds, minecoside ( 3 ), specioside ( 4 ), picroside II ( 5 ), picroside III ( 6 ), 4‐hydroxybenzoic acid ( 7 ), and martynoside ( 8 ), were isolated from the stem of Catalpa ovata. The structures of the new compounds were established on the basis of spectroscopic techniques, including 1D‐ and 2D‐NMR. |
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| Keywords: | Catalpa ovata Iridoids |
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