KMID : 0366919990110000389
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Sungkyun Pharmceutical Journal 1999 Volume.11 No. 0 p.389 ~ p.392
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Inducible Nitric Oxide Synthase Inhibitors from Melia azedarach var.Japonica
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Kwon, Hak Cheol
Lee, Byeong Gon/Kim, Seung Hee/Jung, Chil Mann/Hong, Sung Youl/Han, Jeung Whan/Lee, Hyang Woo
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Abstract
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In bioassay-guided search for inducible nitric oxide synthase (iNOS) inhibitory compounds from higher plants of South Korea, two ¥â-carboline alkaloids, 4-methoxy-1-vinyl-¥â-carboline (1) and 4,8-dimethoxy-1-vinyl-¥â-carboline (2) have been isolated from the cortex of Melia azedarach var. japonica. The structures of these compounds were elucidated on the basis of spectroscopic data. Compounds 1 and 2 showed marked inhibitory activity of iNOS on LPS- and interferon-¥ã-stimulated RAW 264.7 cells.
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