Oxidation using quaternary ammonium polyhalides. VIII. Oxidation of 1,4-benzenediols with benzyltrimethylammonium tribromide.
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概要
- 論文の詳細を見る
The reaction of 1,4-benzenediols with 1.1 equiv of benzyltrimethylammonium tribromide in dichloromethane in the presence of aqueous sodium acetate at room temperature gave 2,5-cyclohexadiene-1,4-diones in good yields. On the other hand, the reaction of 1,4-benzenediols with a large excess of the reagent in aqueous acetic acid at 40–60°C gave polybromo-substituted 2,5-cyclohexadiene-1,4-diones in good yields.
- 公益社団法人 日本化学会の論文
著者
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KAKINAMI Takaaki
Department of Chemical and Biological Engineering, Ube Technical College
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Kajigaeshi Shoji
Department Of Applied Chemistry And Chemical Engineering Faculty Of Engineering Yamaguchi University
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Fujisaki Shizuo
Department Industrial Chemistry
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Morikawa Yukihiro
Department of Industrial Chemistry, Faculty of Engineering, Yamaguchi University
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Nishihira Keigo
Ube Chemical Factory, Ube Industries Ltd.
関連論文
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- Rotational isomerism in fluorene derivatives XXII syntheses of 1-substituted 2'-methyl-9, 9'-bifluorenyl derivatives and structures of their stereoisomers
- Synthesis of tropolone and tropone derivatives condensing fluorene moiety
- Synthesis and properties of 3-aminoacrylonitriles
- Oxidation using quaternary ammonium polyhalides VII. Oxidation of primary amines and hydrazo compounds by use of benzyltrimethylammonium tribromide
- Halogenation using quaternary ammonium polyhalides XXVIII. effect of substituents on brominating ability of quaternary ammonium tribromides
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- Rotational Isomerism in Fluorene Derivatives XIV Conformational Equilibria of 9-Substituted 9-(2-Cyanomethylphenyl) fluorene Derivatives
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- Selective Bromination of Aromatic Amines by Use of Tetrabutylammonicm Tribromide and Benzyltrimethlammonnium Tribromide
- Halogenation Using Quaternary Ammonium Polyhalides XX V : Bromination of Acetanilides with Benzytrimethylammonium Tri-bromide-Zinc Chloride System
- Halogenation Using Quaternary Ammonium Polyhalides XX II : Selective Bromination of Aromatic Ethers with Benzyltrimeth-ylammouium Tribromide
- Halogenation Using Quaternary Ammonium Polyhalides XX IV : Chlorination of Acetanilides with Benzyltrimethylam-monium Tetrachloroiodate
- Halogenation Using Quaternary Ammonium Polyhalides XX VI : CHLORINATION OF PHENOLS WITH BEN-ZYLTRIMETHYLAMMONIUM TETRACHLOR-OIDATE
- Halogenation Using Quaternary Ammonium Polyhalides XX III : Bromination of Aromatic Amines with Polymer-bound Benzytrimethylammonium Tribromide
- Halpgenation Using Quaternary Ammonium Polyhalides XXI : Chlorination of Some Aromatic Compounds with Tetrabutylammonium Trichloride
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- Halogenation Using Quaternary Ammonium Polyhalides XX : Bromination of Phenols Polymer-Bound Benzyltrimethylammouium Tri-bromide
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