Studies on Synthesis of 10,11-Dihydro-5H-dibenzo[a, d]cycloheptene Derivatives. IV. : Photoreactions of 5-Substituted-5H-dibenzo[a, d]cycloheptenes with 1,2-Substituted Olefins and the Stereostructures of the Cycloaddition Products
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概要
- 論文の詳細を見る
The photoreactions of 5H-dibenzo[a, d]cyclohepten-5-one (la) and its 5-substituted derivatives (lz and ly) with olefins such as maleates, acrylates and crotonate gave the cycloaddition products (3a-e) in yields of 4-82%. Inversion reactions of the adducts (3b and 3c) with bases were carried out for the purpose of investigating the thermodynamic stability of the cycloadducts and the corresponding isomeric products (3b-t and 3c-f) were obtained. The stereostructures of the cycloaddition products and the isomeric products were determined by means of nuclear magnetic resonance (NMR) spectroscopy.
- 公益社団法人日本薬学会の論文
- 1989-06-25
著者
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野崎 彰
Kyoto Pharmaceutical University
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藤原 靖弘
京都薬大
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藤原 靖弘
Kyoto Pharmaceutical Univesity
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岡本 正夫
Kyoto Pharmaceutical University
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角野 元重
Kyoto Pharmaceutical University
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角野 元重
Tokyo Research Laboratories, Wako Pure Chemical Industires, Ltd.,
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角野 元重
Tokyo Research Laboratories Wako Pure Chemical Industires Ltd.
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Sumino Motoshige
Tokyo Research Laboratories Wako Pure Chemical Industries Ltd.
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