Convenient methods for the preparation of vinylic and allylic sulfones from alkenes, haloalkanes, and aldehydes. Stereochemistry of the conversion of vinylic sulfones to the corresponding allylic sulfones.
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概要
- 論文の詳細を見る
1- or 2-<I>p</I>-Tolylsulfonyl(=tosyl)-1-alkenes, vinylic sulfones, were regioselectively prepared from 1-alkenes via iodosulfonization or sulfonylmercuration and also from 1-haloalkanes by the homologation or unhomologation methods. The vinylic sulfones thus prepared were further converted to the corresponding allylic sulfones under basic conditions. The stereochemistry of this conversion was discussed. One-carbon homologated allylic sulfones were directly obtained from aldehydes in good yields by the reaction with diethyl phenylsulfonylmethylphosphonate and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) under mild conditions.
- 公益社団法人 日本化学会の論文
著者
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Kinoshita Hideki
Department Of Bioscience And Biotechnology Faculty Of Agriculture Shinshu University:united Graduate
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Inomata Katsuhiko
Department Of Chemical Science Graduate School Of Natural Science And Technology Kanazawa University
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Kobayashi Toshifumi
Department Of Obstetrics And Gynecology Keio University School Of Medicine
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Igarashi Susumu
Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto University
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Ohtani Takashi
Department Of Cardiology Ehime Hospital
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Kotake Hiroshi
Department of Chemistry, Faculty of Science, Kanazawa University
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Ohtani Takashi
Department of Chemistry, Faculty of Science, Kanazawa University
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Sasaoka Shin-ichi
Department of Chemistry, Faculty of Science, Kanazawa University
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Tanaka Yuhji
Department of Chemistry, Faculty of Science, Kanazawa University
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Igarashi Susumu
Department of Chemistry, Faculty of Science, Kanazawa University
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