Studies on Isoxazoles. VIII. Versatile Syntheses and Chemical Properties of 3-Chloroisoxazolium Chlorides
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概要
- 論文の詳細を見る
The reaction of 4-isoxazolin-3-ones with phosgene or trichloromethyl chloroformate gave various 3-chloroisoxazolium chlorides in good yields, and these were converted to 4-isoxazolin-3-thiones on treatment with sodium hydrosulfide. Pyrolysis of 3-chloro-2-methylisoxazolium chlorides afforded 3-chloroisoxazoles. In the presence of tri-n-butylamine, 3-chloro-2-methyl-5-phenylisoxazolium chloride condensed carboxylic acids with alcohols or amines to give the corresponding esters or amides in high yields, together with 2-methyl-5-phenyl-4-isoxazolin-3-one.
- 1979-10-25
著者
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富田 和男
Agricultural Chemicals Research Laboratories Sankyo Co. Ltd.
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水貝 宗治
Agricultural Chemicals Research Laboratories, Sankyo Co., Ltd.
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村上 忠
Agricultural Chemicals Research Laboratory Sankyo Co. Ltd.
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村上 忠
Agricultural Chemicals Research Laboratories Sankyo Co. Ltd.
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小林 富子
Agricultural Chemicals Research Laboratory, Sankyo Co., Ltd.
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水貝 宗治
三共
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小林 富子
Agricultural Chemicals Research Laboratory Sankyo Co. Ltd.
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