Asao Toyonobu | Department of Chemistry Faculty of Science Tohoku University

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著作論文

Synthesis and Dynamic Stereochemistry of Azulene-Substituted 9-Fluorenyl, 9,10-Dihydro-10,10-dimethyl-9-anthryl, 10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-yl, and 5H-Dibenzo[a,d]cyclohepten-5-yl Cations. Correlations of Stabilities of the Carbocations an
Synthesis, Properties, and Redox Behaviors of Di- and Trications Composed of Di(1-azulenly)methylium Units Connected by p- and m-Phenylene and 1,3,5-Benzenetriyl Spacers
Acid-Catalyzed Condensation of Azulenes with 9-Anthracenecarbaldehyde and the Synthesis of (9-Anthryl)di(1-azulenyl)methyl and (1-Azulenyl)[10-(1-azulenyl)-9-anthryl]methyl Hexafluorophosphates
Decarbonylation Reaction of 1-Azulenecarbaldehydes under Mild Conditions. A Strategy for the Protection of 1- and/or 3-Position of Azulene Rings
Synthesis and Properties of Extremely Stable Tris (6-methoxy-1-azulenyl)-methyl Cation and a Series of Di(1-azulenyl)phenylmethyl and (1-Azulenyl)diphenylmethyl Cations Stabilized by Methoxy Substituents
Synthesis and Dynamic Stereochemistry of Di-1-azulenyl-(1- and 2-naphthyl) methyl Hexafluorophosphates. Clear Evidence of the One-Ring Flip Mechanism of a Molecular Propeller by Controlling the Flipping Ring
Synthesis and Dynamic Stereochemistry of Tris(2-methyl-1-azulenyl)methyl Cation and the Corresponding Methane Derivative. Evidence That the Conjugative Effect Largely Contributes to the Transition State of the Ring Flipping
Synthesis and Dynamic Stereochemistry of a Tri(1-azulenyl)methyl Cation Containing a Different Substitutent on Each Azulene Ring
Synthesis and Dynamic Stereochemistry of Bis(3-methyl-1-azulenyl)(1-naphthyl)methyl Hexafluorophosphate. Clear Evidence of the One-Ring Flip Mechanism of Molecular Propeller by Controlling the Flipping Ring
Syntheses of Azulene Analogues of Triphyenylmethyl Cation: Extremely Stable Hydrocarbon Carbocations and the First Example of a One-Ring Flip as the Threshold Rotation Mechanism for Molecular Propellers^1
Dynamic Stereochemistry of Di(3-methyl-1-azulenyl)phenylmethyl Cation. Flip of One Azulene Ring as the Threshold Rotation Mechanism
Syntheses of α-, β- and γ-Dolabrins
The synthesis of a double-layered annulene with 10.PI.-rings. 1,1:2,2-bis([10]annulene-1,6-diyl)ethylene.
A facile synthesis of colchiceine analogues (4-(1-acetamido-3-arylpropyl)tropolones).
The total syntheses of chamaecynone, isochamaecynone, and dihydroisochamaecynone.
Structure for the "biguaiazulene-3,3'-dione" and efficient preparation of 5-isopropyl-3,8-dimethyl-1,7-azulenedione.
The total syntheses of (-)-occidentalol and its C7-epimer. The stereochemical assignment of (+)-occidentalol.
Structure of reaction products of 5-nitrosotropolone and arylamine.
The total synthesis of hydroxyisochamaecynone and its stereochemical assignment.
Palladium-catalyzed vinylation of haloazulenes and halotropolones with olefins. Utility of the heck reaction in the conjugated carbon chain preparation.
The sensitized photooxidation of cycloheptatriene (tropilidene). Isolation and thermal isomerization of (4.PI.+2.PI.) cycloadduct, 8,9-dioxabicyclo-[3.2.2]-2,6-nonadiene, and preparation of tropone.
The synthesis of macrocyclic diaza n-n'-fulvadiene derivatives.
The Synthesis of 2-(Diphenylcyclopropenylidene)cyclobutane-1,3-dione (1,2-Diphenylbutatriafulvalene-3,5-dione)
The Synthesis of Azulene Derivatives Condensed with Several Heterocycles
Some Electrophilic Substitution Reactions of 2-Hydroxyazulene Derivatives
The Diazotization of 2-Aminoazulene Derivatives. The Formation of 2-Diazo-2,6-azulenoquinone Derivatives
One-step synthesis of 1,4-diketones by nucleophilic reaction to tricarbonyl complexes of .ALPHA.,.BETA.-unsaturated ketones.
The Mechanism of the Formation of Tropolone from the Adduct of Cyclopentadiene and Dichloroketene

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