Analogs of Rauwolfia Alkaloids. IV. Synthesis of 2-Substituted Tetrahydro-β-carbolines : Ring Closure of 2-Carboxy-3-indoleacetobenzylamide.

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概要

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• The ring closure of 2-carboxy-3-indoleacetobenzylamide (V) was investigated. On dehydration with acetic anhydride and acetyl chloride the ring closure of the lactonetype occurred, furnishing 6-acetobenzylaminoindolo [2,3-c] -2-pyrone (XIII) and 1,3-dioxo-2-benzyl-1,2,3,4-tetrahydro-β-carboline (XVII) with polyphosphoric acid in which the ring closure of the imide-type occurred instead of the lactone-type.

• 公益社団法人日本薬学会の論文
• 1957-08-20

著者

• 恩田 政行

  Tokyo Research Laboratory Gohei Tanabe & Co. Ltd.

• 笹本 光雄

  Tokyo Research Laboratory Tanabe Seiyaku Co. Ltd.

関連論文

• Analogs of Rauwolfia Alkaloids. IV. Synthesis of 2-Substituted Tetrahydro-β-carbolines : Ring Closure of 2-Carboxy-3-indoleacetobenzylamide.
• A Flycidal Constituent of Amanita pantherina (DC.) F_R.
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• Synthesis in the Morphinan Group. V. : Grewe Cyclization of d-and l-1-(3,4-Ethylenedioxybenzyl)-2-methyl-1,2,3,4,5,6,7,8-octahydroisoquinoline.
• Synthesis in the Morphinan Group. IV. Structural Proof of 2,3-and 3,4-Ethylenedioxy-N-methylmorphinan.
• Synthesis in the Morphinan Group. III. A Synthesis of 2,3-and 3,4-Ethylenedioxy-N-methylmorphinan and their Optical Resolution

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