A Novel Carbocationic Species Paired with Tetrakis(pentafluorophenyl)Borate Anion in Catalytic Aldol Reaction

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概要

• 論文の詳細を見る
• 2000-06-05

著者

• MUKAIYAMA Teruaki

  Department of Applied Chemistry, Faculty of Science, Science University of Tokyo (SUT)

• HACHIYA Iwao

  Department of Applied Chemistry, Faculty of Science, Science University of Tokyo (SUT)

• IIDA Daisuke

  Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University

• Iida Daisuke

  Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo

• Mukaiyama Teruaki

  Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo

• Yanagisawa Manabu

  Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo

• Hachiya Iwao

  Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo

• Yanagisawa M

  Institute Of Materials Science University Of Tsukuba

関連論文

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• Stereoselective Synthesis of 1,2-cis-Arabinofuranosides Using a Titanium Catalyst
• The Catalytic Fries Rearrangement and o-Acylation Reactions Using Group 3 and 4 Metal Triflates as Catalysts
• Hafnium(IV) Trifluoromethanesulfonate, An Efficient Catalyst for the Fridel-Crafts Acylation and Alkylation Reactions
• Synthesis of Electron-Donating Polymer Having Vinylogous TTF in the Main Chain
• Asymmetric Allylation of Carbonyl Compounds with Tartrate-Modified Chiral Allylic Tin Reagents
• Asymmetric Allylation of Aromatic Aldehydes Using Chiral Allylic Tin Reagents
• An Asymmetric Synthesis of the ABC Ring System of 8-Demethyltaxoids from Optically Active 8-Membered Ring Compound via Intramolecular Aldol and Pinacol Coupling Reactions
• An Asymmetric Synthesis of the BC Ring System of 8-Epitaxoids by Way of Intramolecular Aldol and Successive Stereoselective Methylation Reactions
• An Asymmetric Synthesis of the Fully Functionalized AB Ring System of 12-Demethyltaxol via Successive Stereoselective Allylation and Intramolecular Aldol Reactions
• New Synthesis of Pinacols By Oxidative Coupling Mediated by 1,2-Dusulfides as Dehydrogenating Reagents under Irradiation
• Magnesium Bromide Diethyl Etherate Mediated Highly Diastereoselective Aldol Reaction between an Aldehyde and a Silyl Enol Ether
• Aldol Reaction of Enol Esters Catalyzed by Cationic Species Paired with Tetrakis(pentafluorophenyl)borate
• A New and Efficient Method for Oxidation of Various Alcohols by Using N-tert-Butyl Phenylsulfinimidoyl Chloride
• A Novel Carbocationic Species Paired with Tetrakis(pentafluorophenyl)Borate Anion in Catalytic Aldol Reaction
• PREPARATION OF USEFUL SYNTHETIC INTERMEDIATES OF TAXOL ANALOGS, CYCLOOCTENONE DERIVATIVES
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• A New Method for the Synthesis of Unsymmetrical Bis-Aldols by the Samarium(II) Iodide-Mediated Aldol Reaction of Aldehydes with Aryl or Alkyl Oxiranyl Ketones
• Synthesis of 18-Demethyltaxoid via Stereoselective Allylation and Intramolecular Aldol Condensation Reactions
• Aza-Prins Reaction Promoted by Titanium Tetraiodide and Iodine
• A New and Convenient Method for the Preparation of Cyclooctanone Containing Bis-Aldol Skelton by Samarium(II) Iodide-mediated Intramolecular Aldol Cyclization of ω-Oxiranyl Keto Octanal
• A Synthesis of AB-Ring Model System of Taxane Framework by Way of Intramolecular Knoevenagel Cyclization
• A Novel Activating Agents of 'Disarmed' Thioglycosides, Combination of Trityl Tetrakis(pentafluorophenyl)borate, Iodine and 2,3-Dichloro-5,6-dicyano-p-benzoquinone (DDQ)
• Stereoselective Glycosylation of Thioglycosides Promoted by Respective Combinations of N-Iodo-or N-Bromosuccinimide and Trityl Tetrakis(pentafluorophenyl)borate.Application to One-Pot Sequential Synthesis of Trisaccharide
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• A Useful Method for the Preparation of Carboxylic Esters from Free Carboxylic Acids and Alcohols
• A Convenient Synthesis of Carboxanilides from Silyl Carboxylates and Weakly Nucleophilic Anilines Using p-Trifluoromethylbenzoic Anhydride and a Catalytic Amount of Active Titanium (IV) Salt
• Facile Synthesis of Lactones from Silyl ω-Siloxycarboxylates Using p-Trifluoromethylbenzoic Anhydride and a Catalytic Amount of Active Lewis Acid
• A New and Efficient Method for the Preparation of S-Phenyl Carbothioates via Mixed Anhydrides Using Active Titanium(IV) Salts
• An Efficient Method for the Preparation of Carboxylic Esters via Mixed Anhydrides by the Promotion of a Catalytic Amount of Lewis Acid
• The Catalytic Diels-Alder Reaction Using Combined Catalyst System of Diphenyltin Sulfide or Lawesson's Reagent and Silver Perchlorate
• An Asymmetric Synthesis of Fully Functionalized B Ring System of Taxol
• The Esterification Reaction between Silyl Derivatives of Carboxylic Acids and Alcohols by the Promotion of a Catalytic Amount of Lewis Acid
• Catalytic and Stereoselective Glycosylation with a Novel and Efficient Disarmed Glycosyl Donor : Glycosyl p-Trifluoromethylbenzylthio-p-trifluoromethylphenyl Formimidate
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• An Efficient Method for Catalytic and Stereoselective Glycosylation with Thioglycosides Promoted by Trityl Tetrakis (pentafluorophenyl) borate and Sodium Periodate
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• A Mild and Efficient Oxidation of Alcohols with N-tert-Butylphenylsufinimidoyl Chloride in the Coexistence of Zinc Oxide
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• An Efficient Method for Catalytic and Stereoselective Synthesis of 2-Deoxy-α-D-glucopyranosides from 3, 4, 6-Tri-O-benzyl-2-deoxy-D-glucopyranose and Several Alcoholic Nucleophiles
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• 1,2-Cis Selective Glycosylation with Glycosyl Fluoride by Using a Catalytic Amount of Trifluoromethanesulfonic Acid (TfOH) in the Coexistence of Molecular Sieve 5A (MS5A)
• Trifluoromethanesulfonic Acid (TfOH)-Caralyzed Stereoselective Glycosylation Using Glycosyl Fluoride
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• Stereoselective Cyclopolymerization of 1,5-Hexadiene Using Novel Bis(ferrocenyl)zirconocene Catalyst
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• Applicability of Phosphorus and Boron Diffusion Parameters Extracted from Predeposition to Drive-in Diffusion for Bulk Silicon and Silicon-on-Insulator

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