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Superelectrophiles and Their Chemistry
Preface. 1. General Aspects. 2. Study of Superelectrophiles. 3. Generating Superelectrophiles. 4. Gitonic Geminal Superelectrophiles. 5. Gitonic Vicinal Superelectrophiles. 6. GitonicExpand
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Superelectrophiles and the effects of trifluoromethyl substituents.
Trifluoromethyl-substituted superelectrophiles were generated in superacid (CF(3)SO(3)H), and their chemistry was examined. The strong electron-withdrawing properties of the trifluoromethyl group areExpand
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Triflic acid promoted synthesis of polycyclic aromatic compounds
The triflic acid (CF3SO3H) promoted cyclizations of 2-styrylbiaryls are found to be useful for the synthesis of polycyclic aromatic compounds, including functionalized derivatives of polycyclicExpand
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Chemistry of dicationic electrophiles: superacid-catalyzed reactions of amino acetals.
Amino acetals are shown to form highly electrophilic systems in Bronsted superacids. It is proposed that amino acetals give dicationic electrophiles, and this proposal is supported by the directExpand
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Preparation of 3,3-Diaryloxindoles by Superacid-Induced Condensations of Isatins and Aromatics with a Combinatorial Approach
3,3-Diaryloxidoles are prepared in high yields (62−99%) by reaction of isatin or substituted isatins with aromatics in triflic acid. The reaction shows a significant dependence on acid strength whichExpand
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Aza-Nazarov reaction and the role of superelectrophiles.
The superacid-catalyzed reactions of N-acyliminium ion salts have been studied. The new conversions are remarkably similar to the Nazarov reaction and dicationic superelectrophilic species areExpand
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Superacid-promoted reactions of alpha-ketoamides and related systems.
The superacid-promoted reactions of alpha-hydroxy and alpha-ketoamides have been studied. Ionization of these compounds leads to varied aryl-substituted oxyindole products. In some cases,Expand
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Charge delocalization and enhanced acidity in tricationic superelectrophiles.
This Article presents the results from studies related to the chemistry of tricationic superelectrophiles. A series of triaryl methanols were ionized in Brønsted superacids, and the correspondingExpand
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