与儀 誠一 YOGI Seiichi

ID:1000000045006

College of Science, University of the Ryukyus (2002年 CiNii収録論文より)

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論文一覧:  23件中 1-20 を表示

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  • Three New Naphthoquinone Derivatives from Diospyros maritima BLUME

    Higa Matsutake , Noha Nobue , Yokaryo Hiroto [他] , OGIHARA Kazuhito , YOGI Seiichi

    Three new naphthoquinone derivatives, 6-(1-ethoxyethyl)plumbagin (16), ethylidene-3,3′-biplumbagin (17), and ethylidene-3,6′-biplumbagin (18), were isolated, in addition to six known naphthoquinones, …

    Chemical & pharmaceutical bulletin 50(5), 590-593, 2002-05-01

    J-STAGE DOI 参考文献10件 被引用文献2件

  • Preparation of Naphthqionone Drivatives from Plumbagin and Their Ichthyotoxicity

    Ogihara Kazuhito , Yamashiro Rieko , Higa Matsutake [他] , YOGI Seiichi

    Various naphthoquinone derivatives were prepared from a natural product, 5-hydroxy-2-methyl-1,4-naphthoquinone (plumbagin); these were mostly substituted at C-3 through carbon-carbon bond formation me …

    Chemical & pharmaceutical bulletin 45(3), 437-445, 1997-03-15

    参考文献29件

  • ガジュマル(Ficus microcarpa L.F.)の成分研究 (第2報)

    比嘉 松武 , 横田 恵次郎 , 萩原 和仁 [他] , 与儀 誠一 , Higa Matsutake , Yokota Keijiro , Ogihara Kazuhito , Yogi Seiichi

    From the fruits of Ficus microcarpa L. f., β-amyrin acetate, β-amyrin, maslinic acid, 2α-hydroxyursolic acid, oleanolic acid, β-sitosterol and protocatechuic acid were isolated. These compounds were i …

    琉球大学理学部紀要 (62), 45-52, 1996-09

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  • トキワギョリュウ(Casuarina equisetifolia J.R.&G.Forst)の成分研究(第2報)

    比嘉 松武 , 宮城 聡 , 荻原 和仁 [他] , 与儀 誠一 , Higa Matsutake , Miyagi Satoshi , Ogihara Kazuhito , Yogi Seiichi

    From the leaves of Casuarina equisetifolia J.R.& G.Forst. betulin, glutinone, glutinyl acetate, β-sitosterol-β-D-glucoside, and gallicin were newly isolated. These compounds were identified by the com …

    琉球大学理学部紀要 (60), 1-7, 1995-09

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  • リュウキュウウマノスズクサ(Aristolochia liukiuensis)の成分研究-2-

    荻原 和仁 [他] , 趙 嘉平 , 比嘉 松武 , 与儀 誠一 , Ogihara Kazuhito , Zhao Jiaping , Higa Matsutake , Yogi Seiichi

    The chemical constituents in the roots of Aristolochia liukiuensis Hatsusima were examined. Aristolactone (1), mansonone G (3), dehydrooxoperezinone (4), aristololactam D2 (6), 3,4 - methylenedioxy - …

    琉球大学理学部紀要 (54), p17-28, 1992-10

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  • Preparation of 7,7-Bis(methoxycarbonyl)-2,5-Diaryl-3,4-Diazanorcaradienes

    Yogi Seiichi [他] , Higa Matsutake , Ogihara Kazuhito , Kameya Toyokazu , 与儀 誠一 , 比嘉 松武 , 荻原 和仁

    5,5-Bis(methoxycarbonyl)-5,6-dihydro-3,7-diaryl-4H-1,2-diazepines (6) were prepared by the condensation of α-bromoacetophenone azines with dimethyl malonate in the presence of sodium methoxide. Haloge …

    琉球大学理学部紀要 (54), p29-34, 1992-10

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  • アワダン(Melicope triphylla Merr.)のフラボノイド成分-2-

    比嘉 松武 [他] , 大城 哲哉 , 荻原 和仁 , 与儀 誠一

    From the leaves of Melicope triphylla MERR., three new flavonoids (1-3) were isolated, together with nine known flavonoids, 4', 5-dihydroxy-3,3', 7-trimethoxyflavone (4), 5-hydroxy-3,3', 4', 7-tetrame …

    薬学雑誌 110(11), p822-827, 1990-11

  • アワダン(Melicope triphylla Merr.)のフラボノイド成分

    比嘉 松武 [他] , 宮城 良一 , 与儀 誠一 , 外間 宏三

    From the leaves and the barks of Melicope triphylla MERR., three new flavonoids (6-8) were isolated, together with 4'-hydroxy-3,3', 5,7-tetramethoxyflavone (1), 3,5,7-trimethoxy-3', 4'-methylenedioxyf …

    薬学雑誌 107(12), p954-958, 1987-12

  • トキワギョリュウ(Casurina equisetifolia J.R.&G.Forst)の成分研究

    比嘉 松武 [他] , Iha Yutaka , Aharen Honmei , Yogi Seiichi , Hokama Kozo , 比嘉 松武 , 伊波 豊 , 阿波連 本明 , 与儀 誠一 , 外間 宏三

    From the leaves and fruit of Casuarina equisetifolia J. R. & G. Forst, seven triterpenoids, β-amyrin acetate, taraxerol acetate, lupenone, β-amyrin, glutinol, lupeol, and taraxerol, two flavonoids, ka …

    琉球大学理学部紀要 (45), p147-158, 1987-11

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  • ガジュマル(Ficus microcarpa L.f.)の成分研究-1-葉のトリテルペノイド成分

    比嘉 松武 , 与儀 誠一 , 外間 宏三 , 比嘉 松武 , 与儀 誠一 , 外間 宏三

    The following triterpenoids were isolated from the ethanol extracts of the leaves of Ficus microcarpa L.f., together with aliphatic compounds and steroids: lupenyl acetate, friedelin, glutinol, epifri …

    琉球大学理学部紀要 (44), p75-85, 1987-10

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  • アワダン(Melicope triphylla Merr.)の成分研究

    比嘉 松武 , 与儀 誠一 , 外間 宏三 , 比嘉 松武 , 与儀 誠一 , 外間 宏三

    The following substances were isolated from the leaves of Melicope triphylla Merr.: methyl p-geranyloxy-trans-cinnamate, fatty alcohols, β-sitosterol and skimmianine.

    琉球大学理学部紀要 (43), p47-52, 1987-03

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  • リュウキュウウマノスズクサ(Aristolochia liukiuensis Hatsusima)の成分研究

    比嘉 松武 , 与儀 誠一 , 外間 宏三 , 比嘉 松武 , 与儀 誠一 , 外間 宏三

    The following substances were isolated from the leaves of Aristolochia liukiuensis Hatsusima: meso-inositol, fatty acid ethyl esters, fatty alcohols, β-sitosterol, β-sitosterol-β-D-glucoside and arist …

    琉球大学理学部紀要 (43), p53-60, 1987-03

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  • A NEW BROMINATED NAPHTHOQUINONE FROM DIOSPYROS MARITIMA BLUME(Communications to the Editor)

    比嘉 松武 , 姫野 加代 , 与儀 誠一 , 外間 宏三

    From the fresh fruit of Diospyros maritima Blume a new brominated naphthoquinone, 3-bromoplumbagin (1), was isolated, besides three known naphthoquinones, 3-chloroplumbagin (2), plumbagin (3), and dro …

    Chem. Pharm. Bull. 35, 4366-4367, 1987

    被引用文献2件

  • Synthesis of 2,5-diaroylthiophenes

    外間 宏三 , 与儀 誠一 , 比嘉 松武 , 外間 宏三 , 与儀 誠一 , 比嘉 松武

    The treatment of 1,6-hexanediones [1,6-diphenyl-1,6-hexanedione 1a, 1,6-bis(p-methylphenyl)-1,6-hexanedione 1b, 1,6-bis(p-chlorophenyl)-1,6-hexanedione 1c, 1,6-bis(p-methoxyphenyl)-1,6-hexanedione 1d, …

    琉球大学理学部紀要 (39), p47-50, 1985-03

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  • ミツバハマゴウVitex trifolia.L.の成分研究

    比嘉 松武 , 与儀 誠一 , 外間 宏三 , Higa Matsutake , Yogi Seiichi , Hokama Kozo

    The essential oil of the leaves of Vitex trifolia, L. contains α-pinene, β-pinene, phenol, 1,8-cineole and α-terpineol. Ether extract of the leaves contains aliphatic hydrocarbons. The fruits contain …

    琉球大学理学部紀要 (35), p61-66, 1983-03

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  • 7,7-Bis(ethoxycarbonyl)-2,5-diphenyl-3,4-diazanorcaradieneの質量スペクトル

    外間 宏三 , 与儀 誠一 , 比嘉 松武 , Hokama Kozo , Yogi Seiichi , Higa Matsutake

    The mass spectra of 7,7-Bis (ethoxycarbonyl)-2,5-diphenyl-3,4-diazanorcaradiene were examined, and their typical fragmentation patterns were discussed on the basis of the observed fragment ion and met …

    琉球大学理学部紀要 (28), p63-68, 1979-11

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  • 5,5-Bis(ethoxycarbonyl)-5,6-dihydro-3,7-diaryl-4H-1,2-diazepine類の質量スペクトル

    外間 宏三 , 与儀 誠一 , 比嘉 松武

    The mass spectra of 5,5-Bis(ethoxycarbonyl)-5,6-dihydro-3,7-diaryl-4H-diazepines were examined, and their typical fragmentation paterns were discussed on the basis of the observed fragment ion and met …

    琉球大学理工学部紀要 理学篇 (27), p83-87, 1979-03

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  • 3,8-Diaryl-1,2-diazacyclooctadiene類の質量スペクトル

    外間 宏三 , 与儀 誠一 , 比嘉 松武

    Mass spectra of Diaryldiazacyclooctadienes were examined, and their typical fragmentation patterns were discussed on the basis of the observed fragment ion and meta-stable ion peaks. In the first step …

    琉球大学理工学部紀要 理学篇 (27), p77-81, 1979-03

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  • ムチサソリの臭腺分泌物の分析〔英文〕

    与儀 誠一 , Haupt Joachim

    Acta arachnologica 27(2), p53-56, 1977-12

  • The Synthesis of Triazepine Derivatives

    Hokama Kozo , Yogi Seiichi , Higa Matsutake , Tamaki Kazuyoshi , 外間 宏三 , 与儀 誠一 , 比嘉 松武 , 玉城 かずよし

    Phenacylbromide ketazine (1) is obtained in good yield by the bromination of acetophenone azine in methanol. The reactivity of (1) obtained from the above method has rarely been studied in the literat …

    琉球大学理工学部紀要. 理学編 = Bulletin of Science & Engineering Division, University of Ryukyus. Mathematics & natural sciences (17), 39-42, 1974-03

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