Chemical Studies on Sophora tomentosa : the Isolation of a New Class of Isoflavonoid
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- 木下 武司
- Faculty of Pharmaceutical Sciences, Teikyo University
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- 市瀬 浩志
- Faculty of Pharmaceutical Sciences, University of Tokyo
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- 高橋 知穂
- Faculty of Pharmaceutical Sciences, University of Tokyo
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- 何 豊吉
- Taiwan Forestry Research Institute
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- 呉 金濱
- Faculty of Pharmaceutical Sciences, University of Tokyo
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- 三川 潮
- Faculty of Pharmaceutical Sciences, University of Tokyo
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Two new pterocarpans, sophoracarpans A and B, were isolated from Sophora tomentosa L. (Leguminosae) in addition to three known isoflavonoids, wighteone (erythrinin B), sophoraisoflavanone A and l-maackiain. The structures of sophoracarpans A and B were elucidated as 6β, 9-dimethoxy-3-hydroxypterocarpan and 3-hydroxy-6β-methoxy-8,9-methylenedioxypterocarpan, respectively, on the spectroscopic basis. The configurations at C-6,C-6a, and C-11a of both compounds were determined by a series of nuclear magnetic resonance irradiation experiments. The isoflavone wighteone, known as an antifungal phytoalexin in several genera of leguminous plants, was also found to occur in the genus Sophora.
収録刊行物
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- Chemical & pharmaceutical bulletin
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Chemical & pharmaceutical bulletin 38 (10), 2756-2759, 1990-10-25
公益社団法人日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1573387452274570112
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- NII論文ID
- 110003628145
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- NII書誌ID
- AA00602100
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- ISSN
- 00092363
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- 本文言語コード
- en
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- データソース種別
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- CiNii Articles