Chemistry of Azulenequinones and Their Analogues
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概要
- 論文の詳細を見る
- 1996-05-15
著者
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Nozoe Tetsuo
Tokyo Research Laboratories Kao Corporation
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Takeshita Hitoshi
Institute Of Advanced Material Study 86 Kyushu University
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Takeshita Hitoshi
Institute Of Advanced Study Kyushu University
関連論文
- Lead(IV) Oxide-Mediated Oxidation of Azulen-2-ols to Form 1,1-Coupled Dimers and Hexacyclic Cage-Dimers
- Novel Non-benzenoid Electron Acceptors:Syntheses and Electron Acceptability of Tetracyanoazulenequinodimethanes and Dicyanoazulenequinonemethides
- Inner Rotation of the Exocyclic C=C Bonds of Methyl 2-Cyano-(2-methyl-cyclohepta[b]thiophen-8-ylidene)acetate and Methyl 2-Cyano-(1,2-dimethylcyclohepta[b]pyrrol-8-ylidene)acetate
- A New Convenient Synthesis of 1,2′-Biazulenes by Photolysis of 2-Diazo-1,3-dicyanoazulen-6(2H)-one with Azulene Derivatives
- The Oxidation of Dimethyl2-Hydroxy-5-isopropylazulene-1, 3-dicarboxylat and Its 6-Isopropyl Isomer with Lead Dioxide - The First Formation of a Diethenodicyclopenta[ef:kl]heptalene Derivative -
- Crucial Role of the Tropone C=O Group in Preferential Exhibition of Smectic C Phase through Intermolecular Hydrogen Bonding
- Preparation of Sigmatropic 2-Acyloxy-5-perfluoroalkoxytropones : New Monocyclic Troponoid Liquid Crystals with an Enantiotropic Smectic A Phase
- Photodimerizations of 1,5- and 1,7-Azulenequinones : Solvent, Substituent, and Concentration Effects on the Product Distribution
- Synthesis and Mesogenic Properties of New Non-Sigmatropic, Monocyclic Troponoids, 5-Acyloxy-2-alkoxytropones
- Highly Thermally-Stable Diels-Alder Adducts of [60]Fullerene with 2-Cycloalkenones and Their Acetals
- Preparation of Tetraphenylazulenequinodimethanes from the Reactions of Azulenequinones with Diphenylketene and the ^1H NMR and UV-vis Spectral Studies in Acidic Media
- Photodimerizations of 3-Methoxy-1, 5-azulenequinone via Consecutive Pericyclic Reactions
- Mesogenic Properties of Tricyclic 2, 5-Di(4-alkoxybenzoyloxy)tropones. Increasing Smectic Thermal Stabilities by the Lateral Polar Carbonyl Group
- Sythetic Modification of Cotylenol. Synthesis of 3α-Cotylenyl Methyl Dithiocarbonates with Four Diastereomeric Glycol Moieties and Their Plant Growth Regulating Activity
- Total Synthesis of (-)-Cotylenol, a Fungal Metabolite Having a Leaf Growth Activity
- Electronic Structures and Oxidation Potentials of Some Azulene Derivatives
- High-Pressure Diels-Alder Reaction between Buckminsterfullerene and Tropone
- Geometrical Isomerism of the Exocyclic C=C Bonds of Heptafulvene Derivatives. Steric and Electronic Effects on the Rotational Barrier
- Reaction of Guaiazulene with Bromine in Hexane and in Aqueous Tetrahydrofuran^1
- Synthesis of 3-Bromo-1,5- and -1,7-Azulenequinones Having Some Alkyl or Phenyl Group by the Polybromination and Reductive Debromination of Their Bromo-Substituent^1
- Preparation of Various Azulenequinone Derivatives by a Nucleophilic Substitution of 3-Bromoazulenequinone Synthones^1
- A Highly Convenient, One-Pot Synthesis of 3-Bromo-1,5-and-1,7-Azulenequinones by Polybromination of Azulene^1
- High-Pressure Diels-Alder Reaction of Cyclooctatetraene with Dimethyl 1,4-Dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene2,3-dicarboxylate. Single Crystalline State Valence Isomerization of a syn-Tricyclo[4.2.0.0^]octane Derivative
- Concomitant Formation of Isomeric 1-, 2-, and 3-Substituted Heptafulvenes from 2-Substituted Tropones and Active Methylene Compounds
- Synthesis and Positive Cooperativity in Cation Binding of New Podand Possessing Tropolonoids at Both Terminals of Oligoethylene Glycol
- Synthesis and Properties of 1-(Tropon-2-yl)-1-aza-4,7,10,13-tetraoxacyclopentadecanes. Preferential Complexation of Lithium Salt among the Alkali Salts
- Preferential Coordination of Mercury(II) Chloride to Ethereal Oxygens over Sulfurs in 23-Dicyanomethylene-5,8,11,14,17-pentaoxa-2,20-dithiabicyclo[19.4.1]hexacosa-1(26),21,24-triene and 20-Dicyanomethylene-5,8,11,14,-tetraoxa-2,17-dithiabicyclo[16.4.1]tri
- Construction of Functionalized Dolabellane Framework via the Stereocontrolled Cope Rearrangement of a 1,3,2-Dioxasilacycloheptane Derivative
- A Total Synthesis of (±)-Sativene via High-Pressure Diels-Alder Route
- One-pot Formation of Functionalized Cyclopentenone Derivatives via Retro-Benzilic Acid Rearrangement of the Proto-Photocycloadducts of Methy12,4-Dioxopentanoate to Methylenecycloalkanes
- Rose-Bengal-Sensitized Photooxidation of Quadricyclane. A [2σ+2σ+2π] Cycloaddition of Singlet Oxygen
- Chemistry of Azulenequinones and Their Analogues
- Preferential Exhibition of Smectic A Phase through Intramolecular Hydrogen Bonding in 2-Amino-5-phenyltropone Liquid Crystals
- Synthetic Photochemistry, LXVII.^ A Total Synthesis of (±)-Hinesol and (±)-Agarospirol via retro-Benzilic Acid Rearrangement
- PB71 SYNTHESIS OF 5-8-5-MEMBERED TRICYCLIC TERPENOIDS AND THEIR B-SECO-RELATED COMPOUNDS
- Reactions of tetrasulfur tetranitride with tropolone and its several halogeno derivatives. Preparations of 4H-cyclohepta[c][1,2,5]thiadiazol-4-ones, 6H-cyclohepta[c][1,2,5]thiadiazol-6-one, and 7H-cyclohepta[1,2-c:3,4-c']bis[1,2,5]thiadiazol-7-ones.
- An Efficient Preparation of 3,3'-Methylenebisazulenes.
- Synthesis and reactions of 2-arylhydrazinotropones. I. Preparation of 2-(2-arylhydrazino)tropones and the 4-substituted derivatives.
- Synthesis and reactions of 2-arylhydrazinotropones. II. Synthesis of 5-aryltropolones and B-ring-open colchicine analogues via benzidine type rearrangement of 2-(2-arylhydrazino)tropones.
- Stability and resonance energy of troponid compounds.
- Benzo(b)cyclohept(e)(1,4)oxazines IV. Synthesis and Properties of All Possible Benzoxazinotropones.
- Synthetic photochemistry. XLV. Photoconversion of 2-methylenehomobarrelenes to 9-methylenebarbaralanes.
- High-pressure cycloaddition of tropones to ethoxyethene. An occurrence of (4+2) and (8+2) cycloadditions.
- Oxidation of 4,6,8-Trimethylazulene and Guaiazulene with Hydrogen Peroxide in Pyridine.
- Structure for the "biguaiazulene-3,3'-dione" and efficient preparation of 5-isopropyl-3,8-dimethyl-1,7-azulenedione.
- Synthetic photochemistry. LIV. The photoaddition reaction of methyl 2,4-dioxopentanoate with 2,5-dimethyl-2,4-hexadiene, a sterically crowded conjugated diene.
- Synthetic photochemistry.LII. Substituent effects of a bromine atom on the high-pressure cycloaddition between 1-acetyl-7-bromocyclohepta[b]pyrrol-2(1H)-one and 2,3-bis(methoxycarbonyl)-7-oxanorbornadiene and the photorearrangement of 2-acetyl-9-bromo-2-a
- Synthetic photochemistry. XLVII. Formation and degenerate Cope rearrangement of 9-dicyanomethylenebarbaralane.
- Synthetic photochemistry. XLVI. Cycloaddition of exo, endo-2,7-bis-(methoxycarbonyl)-11,12-dioxatetracyclo[6.2.1.13,6.02,7]dodeca-4,9-diene and conjugated enones and p-quinones.
- The solid-phase 13C NMR spectra of several tropolone derivatives.
- Cycloheptal[b][1,4]benzoxazines. 3. The reaction of 6-bromocyclohepta[b][1,4]benzoxazine with o-aminophenol.
- Synthetic photochemistry. XLII. Total synthesis of cycloaraneosene, a fundamental hydrocarbon of 5-8-5-membered tricyclic diterpenoid from Sordaria araneosa.
- The kinetic evidence of the concerted[1,9]sigmatropy for the acetyl migration in the 2-acetoxytropones. The NMR spectral analysis of the seven-fold degenerated acetotropy of hexaacetoxytropone.
- Superjacent and subjacent orbitals participations for kinetically-controlled cycloaddition reactions of 2H-cyclohepta[b]furan-2-ones and 8,8-dicyanoheptafulvene to 2,3-bis(methoxycarbonyl)-7-oxabicyclo[2.2.1]heptadiene.
- Novel preparation of 1- and 3-substituted bicyclo[3.2.2]nona-3,6,8-trien-2-ones from tropones and 2,3-bis(methoxycarbonyl)-7-oxabicyclo-[2.2.1]heptadiene by high-pressure cycloaddition-thermal cycloreversion procedure.
- Pressure-accelerated Diels-Alder reactions of tropones with aromatic p-quinones.
- Synthetic photochemistry LV. Characterization of the lumiketone-type photoproducts, bicyclo(3.2.0)hept-3-en-2-ones, from 2,6-cycloheptadien-1-ones.
- Thermal cycloaddition reaction of tropone to 1,1-diethoxyethene. Structure revision of Cantrell's Diels-Alder adduct.
- The effect of pressure on sigmatropic rearrangements of seven-membered conjugated systems. [3, 3] And [1, 9]sigmatropies.