Studies on Ergot Alkaloids and Related Compounds. XII. Syntheses of Ethyl 4-Methyl-2,3,4,4α, 5,6-hexahydrobenzo[f]quinoline-2-carboxylate and its Dihydro Derivative

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概要

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• The syntheses and stereochemistries of ethyl 4-methyl-2,3,4,4α, 5,6-hexahydrobenzo-[f]quinoline-2-carboxylate (XII) and its dihydro derivative (XIII) were described. The Mannich reaction of ethl β-oxo-3,4-dihydro-1-naphthalenepropionate (VII), which was prepared by condensation of 1-acetyl-3,4-dihydronaphthalene (V) with diethyl carbonate, gave ethyl 1-oxo-4-methyl-trans(4α : 10b)-1,2,3,4,4α, 5,6,10b-octahydrobenzo[f]quinoline-2-carboxylate (VIII) and compound (VII). Sodium borohydride reduction, followed by dehydration, converted VIII into XII, which was hydrogenated over platinum oxide to XIII. Compounds (XII, XIII, and VII) showed considerably potent oxytocic activity.

• 公益社団法人日本薬学会の論文
• 1965-04-25

著者

• 堀井 善一

  School of Pharmacy, Osaka University

• 田村 恭光

  School of Pharmacy, Osaka University

• 渡辺 利郎

  Faculty Of Pharmaceutical Sciences Josai University

• 渡辺 利郎

  School of Pharmacy, Osaka University

• 栗原 拓史

  School of Pharmacy, Osaka University

• 栗原 拓史

  Osaka College Of Pharmacy

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