３‐と４‐メトキシアセトフェノンを伴うチオフェンとフラン類の誘導体の合成と生物活性

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  • Tachibana Shinya
    Konan Chemical Industry Co., Ltd.
  • Gotou Takashi
    Department of Biotechnology and Chemistry, School of Engineering, Kinki University
  • Nomura Masato
    Department of Biotechnology and Chemistry, School of Engineering, Kinki University

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  • Synthesis and Physiological Activity of Thiophenes and Furans with 3- and 4-Methoxyacetophenone Derivatives

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The synthesis and physiological activity of thiophenes and furans with methoxyacetophenone derivatives were examined. 3-Methoxyacetophenone (1) and 4-methoxyacetophenone (2) were converted, respectively, to the oximes (3) and (4) by oximation with hydroxylamine hydrochloride, and to the primary amines (5) and (6) by reduction with LiAlH4. The primary amine derivatives were further converted into the thiophene and furan compounds (5a)∼(5h) and (6a)∼(6h), respectively. Bioassay of these compounds (5a)∼(5h) and (6a)∼(6h) on the germination of lettuce(Lactuca satiba) seeds showed that compound (5b) exhibits growthpromoting activity.<br>

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