Chalconoids from Fissistigma bracteolatum |
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| Authors: | Lien T P Porzel A Schmidt J Sung T V Adam G |
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| Institution: | Institute of Chemistry, National Centre for Natural Science and Technology of Vietnam, Tu Liem, Hanoi, Viet Nam. |
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| Abstract: | Phytochemical studies on the leaves of Fissistigma bracteolatum yielded besides the two known compounds 2-hydroxy-3,4,6-trimethoxychalcone (1) and 5,7,8-trimethoxyflav-3-ene (2), five new chalconoids 2-hydroxy-3,4,6-trimethoxychalcene (3), 2-hydroxy-3,4,6-trimethoxydihydrochalcone (4), 2'-hydroxy-3',4',6'-trimethoxydihydrochalcone (5), 2'-hydroxy-3',4',6'-trimethoxy-beta'-methoxychalcane (6) and 2'-hydroxy-3',4',6'-trimethoxy-beta'-ethoxychalcane (7). The structures of these compounds were determined by mass and NMR spectroscopic methods. |
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