53 Berberine及びその誘導体の光酸素化反応と関連アルカロイドへの変換
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概要
- 論文の詳細を見る
Sensitized photo-oxygenation of tetrahydroberberine(1) in methanol afforded berberal(2), oxynorhydrastinine(3), pseudopianic acid methyl acetal(4), and the ketone(5), which were also obtained from dihydroberberine(8) in a shorter time by the same reaction. The reaction of berberine(9) gave selectively 5 and that of oxyberberine(10) afforded the keto-lactam(11) along with 3. The one-step biomimetic transformation of tetrahydroberberine methiodide(12) into allocryptopine(13) was accomplished by photo-oxygenation. This reaction will provide a general synthetic method for the protopine alkaloids.
- 天然有機化合物討論会の論文
- 1976-09-20
著者
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荒田 義雄
Faculty Of Pharmaceutical Sciences Kanazawa University
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向 智里
金沢大学薬学部
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花岡 美代次
金沢大・薬
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向 智里
金沢大・薬
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荒田 義雄
金沢大・薬
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濱中 伊都子
Faculty of Pharmaceutical Sciences, Kanazawa University
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濱中 伊都子
金沢大・薬
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濱中 伊都子
Faculty Of Pharmaceutical Sciences Kanazawa University
関連論文
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- 18 Protoberberineアルカロイドの新規合成とBenzo[c]phenanthridineアルカロイド(±)-Ambinineの全合成(口頭発表の部)
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- Synthetic Studies on Lythraceae Alkaloids. III. Stereoselective Total Synthesis of (±)-Decaline
- Synthetic Studies on Lythraceae Alkaloids. II. The Mannich Reaction of Isopelletierine with 3-Methoxybenzaldehyde and 3-Hydroxybenzaldehyde
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- A NOVEL AND BIOMIMETIC SYNTHESIS OF CHELILUTINE AND SANGUILUTINE
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- Syntheses of Ten-membered Ring Amines from Quinolizidine
- 54 8,14-Cycloberbineを経由するProtoberberineアルカロイドからSpirobenzylisoquinoline及びBenzindenoazepineアルカロイドの合成
- TRANSFORMATION OF PROTOBERBERINES INTO SPIROBENZYLISOQUINOLINES. STEREOSELECTIVE CONVERSION OF COPTISINE INTO (±)-OCHROBIRINE
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- Constituents of Rhizoma Nupharis. XXVII. Synthesis and Stereochemistry of 1- and 7-Methyl-4-phenylquinolizidin-2-one
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- Synthesis of the Compound proposed as the Structure of Lagerine and Its Non identity with Lagerine
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- Total Synthesis of (±)-Vertaline
- Studies on 1-Azabicyclo Compounds. XVIII. Synthesis of Fourteenmembered Ring Diamine, 1,8-Dimethyl-1,8-diazacyclotetradecane, and Related Compounds from Perhydrodipyrido [1,2-a : 1', 2'-d]-pyrazine via Ten-membered Ring Diamine, 2-Methyl-perhydro-2H-pyrid
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- Nuphamine : A New Alkaloid of Nuphar japonicum DC
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- Chemical Transformation of Protoberberines. I. Conversion of Tetrahydroberberine and Dihydroberberine into Noroxyhydrastinine by Photooxygenation
- 53 Berberine及びその誘導体の光酸素化反応と関連アルカロイドへの変換
- 1-Azabicyclo化合物の研究 その6 : Octahydroquinolizineの1改良合成法ならびにその脱水素化反応について
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