"Syn-Effect" in the Desilylation Reaction of γ-Silylated Allylic and Vinylic Sulfones

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概要

• 論文の詳細を見る
• 2003-12-05

著者

• UKAJI Yutaka

  Department of Chemistry, Faculty of Science, Kanazawa University

• INOMATA Katsuhiko

  Department of Chemistry, Faculty of Science, Kanazawa University

• GUHA Samar

  Department of Chemical Science, Graduate School of Natural Science and Technology, Kanazawa Universi

• Ukaji Yutaka

  Kanazawa Univ. Kanazawa Jpn

• Ukaji Yutaka

  Department Of Chemistry Faculty Of Science Kanazawa University Kakuma

• Ukaji Yutaka

  Department Of Chemistry Faculty Of Science Kanazawa University. Department Of Chemical Science Gradu

• Ukaji Yutaka

  Department Of Chemical Science Graduate School Of Natural Science And Technology Kanazawa University

• Inomata Katsuhiko

  Division Of Material Sciences Graduate School Of Natural Science And Technology Kanazawa University

• Inomata Katsuhiko

  Department Of Chemical Science Graduate School Of Natural Science And Technology Kanazawa University

• Guha Samar

  Division Of Material Sciences Graduate School Of Natural Science And Technology Kanazawa University

• Ukaji Y

  Division Of Material Sciences Graduate School Of Natural Science And Technology Kanazawa University

関連論文

• Control of Enantiofacial Differentiation in the Addition Reaction of Organometallics to a Nitrone in the Presence of an External Chiral Auxiliary
• "Syn-Effect" in the Conversion of (E)-α, β-Unsaturated Esters into the Corresponding β, γ-Unsaturated Esters and Aldehydes into Silyl Enol Ethers
• "Syn-Effect" in the Conversion of (E)-α, β-Unsaturated Esters to the Corresponding β, γ-Unsaturated Esters
• "Syn-Effect"in the Isomerization of (E)-α-Fluorovinylic Sulfones to the Corresponding Allylic Sulfones under Basic Conditions
• "Syn-Effect" in the Desilylation Reaction of γ-Silylated Allylic and Vinylic Sulfones
• Ring-opening Bis(alkoxycarbonylation) Reaction of Methylenecyclopropanes Catalyzed by Palladium in the Presence of Copper(I) Salt
• Asymmetric Bis(alkoxycarbonylation) Reaction of Cyclic Olefins Catalyzed by Palladium in the Presence of Copper(I) Triflate
• Asymmetric Bis(alkoxycarbonylation) Reaction of Terminal Olfins Catalyzed by Palladium in the Presence of Copper(I) Triflate and a Chiral Bioxazoline Ligand
• Asymmetric Bis(alkoxycarbonylation) Reaction of Homoallylic Alcohols Catalyzed by Palladium in the Presence of Cu(I) Triflate Using the Chiral Bioxazoline Ligand
• Asymmetric Addition of Alkynylzinc Reagents to Nitrones Utilizing Tartaric Acid Ester as a Chiral Auxiliary
• Total Syntheses of Doubly Locked Biliverdin Derivatives toward Elucidation of the Stereochemistry of Phytochrome Chromophore
• Syntheses of Biliverdin Derivatives Sterically Locked at the CD-Ring Components
• Synthesis of Biliverdin Derivative Bearing the Sterically Fixed E-anti C/D-Ring Component
• Synthesis of the Sterically Fixed Biliverdin Derivative Bearing the Z-anti C/D-Ring Component
• An Efficient Method for the Conversion of 2-Bromo-5-tosylpyrroles to the Corresponding 5-Tosylpyrrolinones as the D-Ring of Phycocyanobilin Derivatives
• Total Syntheses of Phycocyanobilin Derivatives Bearing a Modified A-Ring toward the Structure/Function Analysis of Phytochrome
• Efficient Synthesis of B- and C-Rings Components of Phycobilin Derivatives for Structure/Function Analysis of Phytochrome
• An Efficient Method to Construct the A,B-Rings Component toward Total Syntheses of Phycocyanobilin and Its Derivative as a Photoprobe
• Total Syntheses of (±)-Phycocyanobilin and Its Derivatives Bearing a Photoreactive Group at D-ring
• Syntheses of 3,4-Disubstituted 2-Tosylpyrroles and 5-Tosyl-1,5-dihydro-2H-pyrrol-2-ones Starting from Ethyl 3,4-Disubstituted 2-Pyrrolecarboxylates
• Convenient and Regioselective Syntheses of 3, 4-Disubsutituted Δ^3-Pyrrolin-2-one Derivatives Starting from 2-Tosyl-3, 4-Disubstituted Pyrroles
• Catalytic Asymmetric 1, 3-Dipolar Cycloaddition of Nitrile Oxides to an Achiral Allyl Alcohol Utilizing Diisopropyl Tartrate as a Chiral Auxiliary
• "Syn-Effect" in the Desulfonylation Reaction of a, a-Dialkylated (E)-Allylic Sulfones
• Catalytic Asymmetric Addition of Dialkylzinc to 3,4-Dihydroisoquinoline N-Oxides Utilizing Tartaric Acid Ester as a Chiral Auxiliary
• Catalytic Asymmetric Addition Reaction of Dialkylzinc to Nitrone Utilizing Tartaric Acid Ester as a Chiral Auxiliary
• "Syn Effect" in the 1,4-Eliminative Ring Opening of [3-Substituted (E)-1-Propenyl]oxiranes to the Corresponding 2,4-Dienyl Alcohols
• Palladium-Catalyzed Elimination Reaction of Acyclic (E)-Allylic Acetates : The Stereochemistry Elucidated by "Syn-Effect"
• "Syn Effect" in Nucleophilic Addition of Amines to 1,3-Dienyl Sulfone and Ethyl (E)-2,4-Pentadienoate
• "Syn-Effect" in Nucleophilic Addition of Amines to 1,3-Dienylsulfone
• A New Method for the Preparation of A- and D-Rings of Phycocyanobilin Using Mucochloric Acid as a Starting Material
• A New Aerobic Oxidation System Using Pd-Cu Catalysts in the Presence of CO
• A New and Convenient Wittig-type Reaction for the Preparation of Pyrromethenone Derivative
• Catalytic asymmetric 1,3-dipolar cycloaddition of azomethine imines to allyl alcohol utilizing tartaric acid ester as a chiral auxiliary
• Regioselective Oxidation of Pyrrole Derivatives with DDQ and Its Synthetic Application
• Asymmetric Addition of Reformatsky-Type Reagent to Imines Utilizing Diisopropyl Tartrate as a Chiral Auxiliary
• Efficient Construction of A, B-Rings Component for Syntheses of Phycocyanobilin and Its Derivative
• Asymmetric 1,3-Dipolar Cycloaddition of Nitrones with an Electron-Withdrawing Group to Allylic Alcohols Utilizing Diisopropyl Tartrate as a Chiral Auxiliary
• Asymmetric 1,3-Dipolar Cycloaddition of Azomethine Imines to Homoallytic Alcohols
• Asymmetric 1,3-Dipolar Cycloaddition Reaction of Azomethine Imines to Allyl Alcohol
• Catalytic Asymmetric Addition of Alkynylzinc Reagents to Nitrones
• The First Enantioselective Hetero Diels-Alder Reaction of Nitroso Compound Utilizing Tartaric Acid Ester as a Chiral Auxiliary
• Catalytic Asymmetric 1,3-Dipolar Cycloaddition of a Nitrone Bearing a Bulky Amide Moiety to γ-Substituted Allylic Alcohols
• Asymmetric 1,3-Dipolar Cycloaddition of Nitrile Oxides to γ-Substituted Allylic Alcohols
• Coordination Asymmetry of a Dinuclear Copper(II) Complex: Synthesis, Structure, and Magnetism
• One pot synthesis of optically active 4-isoxazolines by asymmetric addition of alkynylzinc reagents to nitrones followed by cyclization
• A Catalytic Asymmetric 1,3-Dipolar Cycloaddition of Nitrones to Allyl Alcohol
• Synthesis of Doubly Locked 5Zs15Za-Biliverdin Derivatives and Their Unique Spectral Behavior
• Total Syntheses of Sterically Locked Phycocyanobilin Derivatives Bearing a 15Z-anti or a 15E-anti CD-Ring Component
• Homologation Reaction of γ-Silicon Substituted Allylic Alcohols Using Organoaluminium Reagents and Diiodomethane
• Regulation of Diastereofacial Selection in the Allylation Reaction of N-Acyliminium Ion Utilizing Lewis Acids
• Highly Stereodivergent Approach to Both Enantiomers of 4-Substituted β-Lactams via Diastereofacially Controlled Addition of Enolates of t-Butyl Acetate to a Chiral Imine
• Stereoselective One-pot 1,4-Elimination and the [1,2]-Wittig Rearrangement of (E)-δ-(Arylmethoxy or 3-Silyl-2-propynyloxy)-substituted Allylic Sulfones
• "Syn-Effect" in the Base-Induced Isomerization of Vinylic Sulfones to Allylic Sulfones and the Related Various Reactions
• Selective Transformation of N-(Propargylic)hydroxylamines into 4-Isoxazolines and Acylaziridines Promoted by Metal Salts
• Rearrangement of Tosyl Group of 3,4-Disubstituted 2-Tosylpyrroles under Mild Acidic Conditions
• A Highly Efficient Method for the Preparation of the A/B-Ring Component of Phycobilin Derivatives Starting from Bilirubin
• Total Synthesis of Doubly Locked 5Za15Ea-Biliverdin Derivative : A Convergent Synthesis of the E-anti Dipyrrole Component Locked with a 7-Membered Ring
• Palladium-Catalyzed Carbonylation of Homoallylic Amine Derivatives in the Presence of a Copper Co-catalyst
• Asymmetric 1,3-Dipolar Cycloaddition of Nitrile Oxides Generated in situ by Direct Oxidation of Aldoximes
• Studies on the Structure and Function of Phytochromes as Photoreceptors Based on Synthetic Organic Chemistry
• Enantio- and Diastereoselective Synthesis of Isoxazolidines by Asymmetric 1, 3-Dipolar Cycloaddition of Nitrones
• Enantioselective Synthesis of 2-Isoxazolines via Asymmetric 1,3-Dipolar Cycloaddition of Nitrile Oxide to Achiral Allyl Alcohol
• Synthesis of Silicon Substituted Cyclopropylmethyl Alcohols in Optically Active Form via Asymmetric Simmons-Smith Reaction of γ-Silicon Substituted Allylic Alcohols
• Enantioselective Construction of Cyclopropane Rings via Asymmetric Simmons-Smith Reaction of Allylic Alcohols
• Strecker-Type Reaction of Nitrones Using Cyanohydrin
• A general synthetic method for 1-substituted 1,4-dihydro-3(2H)-isoquinolinones.
• Asymmetric Bis(alkoxycarbonylation) Reaction of Cyclic Olefins Catalyzed by Palladium in the Presence of Copper(I) Triflate
• The reactions of 2-fluoro-1,3,5-trinitrobenzene (FTNB) as a new condensing reagent.
• Preparation and Diels-Alder reactions of 3-substituted 3-sulfolenes.
• A new peptide synthesis using 2-fluoro-1,3,5-trinitrobenzene. Syntheses of thyrotropin releasing hormone and leucine-enkephalin.
• Halogenation of alkyl p-tolyl sulfones with carbon tetrahalides. Application to the synthesis of aromatic ketones.
• A new and effective synthetic method for the preparation of the esters, peptides, and lactones using 3-(5-nitro-2-oxo-1,2-dihydro-1-pyridyl)-1,2-benzisothiazole 1,1-dioxide. Synthesis of (.+-.)-(E)-8-dodecen-11-olide, recifeiolide.
• 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.
• Selective Mono- and Bis(alkoxycarbonylation)s of Olefins Catalyzed by Palladium in the Presence of Cu(I) or Cu(II) Chloride under Remarkably Mild Conditions. Application to the Synthesis of .GAMMA.-Butyrolactone Derivatives.
• Synthesis of 3-acylfurans using 3-(phenylthio)propanal dimethyl acetal as a new synthon. Syntheses of ipomeanine and isoegomaketone.
• An odorless preparative method of sulfides and thiocarboxylic S-esters using 3-(alkylthio)-1,2-benzisothiazole 1,1-dioxide.
• A convenient method for the synthesis of acyclic ketones. Synthesis of sex pheromone of Douglas Fir Tussock Moth.
• Quaternary ammonium periodate as a new oxidizing agent.
• Selective 1,4-chiral induction in the reaction of enolates generated from t-butyl .DELTA.-hydroxy carboxylates.

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