PB71 SYNTHESIS OF 5-8-5-MEMBERED TRICYCLIC TERPENOIDS AND THEIR B-SECO-RELATED COMPOUNDS

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概要

• 論文の詳細を見る
• 天然有機化合物討論会の論文
• 1988-05-29

著者

• KATO Nobuo

  Institute of Advanced Material Study, 86 Kyushu University

• Takeshita Hitoshi

  Tohwa University

• Takeshita Hitoshi

  Institute Of Advanced Material Study 86 Kyushu University

• WU Xue

  Institute of Advanced Material Study, 86, Kyushu University

• Wu Xue

  Institute Of Advanced Material Study 86 Kyushu University

• Naganuma Shoji

  Institute Of Advanced Material Study Kyushu Univ.

関連論文

• Synthesis and properties of 2-bromo-7-(1,4,7,10-tetraoxa-13-azacyclopenodec-13-yl)-2,4,6-cycloheptatrien-1-one
• 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
• A New Mercurophilic Troponoid Tetrathiacyclophane;2, 6, 8, 12-Tetrathia-1(2, 7), 7(2, 7)-ditropona-4(1, 3), 10(1, 3)-dibenzenacyclododecaphane
• Synthesis of 9-Deoxycotylenol Derivatives Carrying a Fluorescent Chromophore
• Synthetic Studies on Dolabellane Diterpenoids. Synthesis of 10-epi-Clavudiol A, an Epimer of a Marine Dolabellanoid
• Synthesis and Properties of Bis(5-alkoxytropolonato) Metallomesogens
• (+)-Menthol and Its Hydroxy Derivatives, Novel Fungal Monoterpenols from the Fusicoccin-producing Fungi, Phomopsis amygdali F6a and Niigata 2(Organic Chemistry)
• Fusicoccins P and Q, and 3-Epifusicoccins H and Q, New Polar Fusicoccins from Isolate Niigata 2-A of a Peach Fusicoccum Canker Fungus(Organic Chemistry)
• The High-Pressure Cycloadditions of Tropone to Styrenes. Predominant Formation of [8+2] Cycloadducts from α-Methylstyrene
• High-Pressure Diels-Alder Reaction of Tropone Acetal with Several Dienophiles
• The ^C NMR Chemical Shift Comparisons of Dihydrohomobarrelenones
• Electronic Spectra of Jet-Cooled 3- and 4-Chlorotropolones : Influence of Asymmetric Substitution on the Intramolecular Hydrogen Bonding
• Erinacol (Cyatha-3, 12-dien-14β-ol) and 11-O-Acetylcyathin A_3, New Cyathane Metabolites from an Erinacine Q-Producing Hericium erinaceum
• Identification of (+)-Phyllocladene, (-)-Sandaracopimaradiene, and (+)-Kaurene as New Fungal Metabolites from Fusicoccin-producing Phomopsis amygdali F6
• Erinacine Q, a New Erinacine from Hericium erinaceum, and its Biosynthetic Route to Erinacine C in the Basidiomycete(Organic Chemistry)
• Synthesis and Complexation Behavior of Diaza-18-crown-6 Carrying Two Pyrenylmethyl Groups
• Synthesis of 9-Deoxycotylenol Derivatives and Their Seed Germination-Stimulating Activity
• 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
• Synthetic Photochemistry. LIX. Intramolecular Photocycloaddition of 2-(3-Butenyl)-2, 6-dimethyl-4H-1, 3-dioxin-4-one
• 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
• Synthesis of 9-Deoxy-15-hydroxycotylenol and Its Germination-Stimulating Activity on Lettuce Seeds
• Photodimerizations of 1,5- and 1,7-Azulenequinones : Solvent, Substituent, and Concentration Effects on the Product Distribution
• Total Synthesis of Sollasin a and Sollasin d via Photocycloaddition of Methyl 2, 4-Dioxopentanoate to Methyl E-2-Methyl-2-butenoate
• Synthetic Photochemistry. LXX. Efficient Formation of An Eudesmane Skeleton by the de Mayo Reaction between 1-Isopropyl-4-methylcyclohexa-1,3-diene and Methyl 2,4-Dioxopentanoate
• Synthesis of Bis (2, 6-dihydroxy-5-oxo-1, 3, 6-cycloheptatrienyl) methane from 2-Alkoxy-5-hydroxytropones and the Electrochemical Properties of Bis (3, 4, 7-trioxo-1, 5-cycloheptadienyl)- methane Derivatives
• Addition Reaction of 2-Pyrone-5-carboxylate with α-Terpinene. An Attempted Conversion of Monoterpene to Sesquiterpenoids
• Synthesis and Mesogenic Properties of New Non-Sigmatropic, Monocyclic Troponoids, 5-Acyloxy-2-alkoxytropones
• Collision-Activated Dissociation Spectra for the Characterization of the Diels-Alder Adducts between C_ and Troponoids
• Highly Thermally-Stable Diels-Alder Adducts of [60]Fullerene with 2-Cycloalkenones and Their Acetals
• Mass-Spectral Fragmentation Spequences of Thienotropone 1,1-Dioxides
• Synthetic Photochemistry-36-A Formal Total Synthesis of Silphinene from Methyl 8-Methyl-2,4-dioxonon-7-enoate by Intramolecular Photocycloaddition
• Photoaddition Reaction of Methyl 2,4-Dioxopentanoate with Chloroprene
• Preparation of Tetraphenylazulenequinodimethanes from the Reactions of Azulenequinones with Diphenylketene and the ^1H NMR and UV-vis Spectral Studies in Acidic Media
• New Troponoid Liquid Crystalline Compounds, 5-Alkoxy-2-(4-alkoxybenzoylamino)tropones
• Synthesis and Mercurophilic Properties of 2,2'-Oxybis(ethylenethio)ditropone and α-[2-(2-Troponylthio)ethyl]-ω-(2-troponylthio)oligo(oxyethylene)
• 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
• High-Pressure Diels-Alder Reaction of [C60] Fullerene with Functionalized Tropone Derivatives
• Condensation of Polyfluoroalkanols to Tropolone to Form 2-(Polyfluoroalkoxy) tropones and Their High-Pressure Diels-Alder Reaction with [60] Fullerene
• 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
• Mild Intramolecular Thermal Rearrangements of 2-(2-Propynylsulfinyl) tropone and Its Homologues to Cyclohepta[b]thiophen-8-ones
• Novel Fusicoccins R and S, and the Fusicoccin S Aglycon (Phomopsiol) from Phomopsis amygdali Niigata 2-A, and Their Seed Germination-stimulating Activity in the Presence of Abscisic Acid
• 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
• Structural Confirmation of Cotylenin A, a Novel Fusicoccane-diterpene Glycoside with Potent Plant Growth-regulating Activity from Cladosporium Fungus sp. 501-7W
• A Formal Total Synthesis of Colchicine via the Scott's Intermediate. Palladium (0)-Mediated meta-Ethynylation of a Tropolone Derivative
• 16-O-Demethyl Fusicoccin J and Its 3-Epimer from Fusicoccum amygdali, and Their Seed Germination-stimulating Activity in the Presence of Abscisic Acid
• Concomitant Formation of Isomeric 1-, 2-, and 3-Substituted Heptafulvenes from 2-Substituted Tropones and Active Methylene Compounds
• Synthetic Photochemistry. XLIII. Chromium (II) Chloride-Mediated Reductive Condensations of (3S)- and (3R)-1-Iriden-7-als with (3S)-7-Chloro-1-iridenes. ^1H NMR Spectral Differentiation of the Stereochemistry
• Synthetic Photochemistry. LXIX. The Structures of the Photocycloadducts of 2-Acetoxy-4, 4-dimethylbutenolide with Cyclohexene : A Revision
• 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
• Synthesis and Mercurophilic Properties of Bis (2-troponyl) Thioethers of Di-, Tri-, and Tetraethylene Glycols
• Synthetic Photochemistry. LXVI. The Photoaddition of 2-Oxo-γ-valerolactone to Cyclohexene
• 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
• Total Synthesis of Optically-Active Shizuka-acoradienol by Means of High-Pressure Diels-Alder Reaction
• Photoaddition Reaction of Methyl 2,4-Dioxopentanoate with 1,3-Butadiene
• Electrochemical Oxidation of 5-Hydroxytropolone
• Cycloaddition-Cycloreversion Sequence for One-pot Preparation of Dibenzobarrelene and Janusene Derivatives from Anthracenes and 2,3-Bis (methoxycarbonyl)-7-oxanorbornadiene
• One-pot Formation of Functionalized Cyclopentenone Derivatives via Retro-Benzilic Acid Rearrangement of the Proto-Photocycloadducts of Methy12,4-Dioxopentanoate to Methylenecycloalkanes
• Intramolecular Disproportionation Reactions of 4,6-Bis (chloromethyl) -2,5-dimethoxytropone via Heptafulvene Intermediates
• Rose-Bengal-Sensitized Photooxidation of Quadricyclane. A [2σ+2σ+2π] Cycloaddition of Singlet Oxygen
• Chemistry of Azulenequinones and Their Analogues
• Synthesis of 4, 6-Dicyano-2, 5-dimethoxytropone
• 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
• Synthetic Photochemistry. XLVIII. Stereocontrolled Generation of the Ophiobolane Type 5-8-5-Membered Tricyclic Ring System
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• High-pressure cycloaddition of tropones to ethoxyethene. An occurrence of (4+2) and (8+2) cycloadditions.
• 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.
• Synthetic Photochemistry. LVII. Facile Photochemical Construction of Hexahydro-as-indacene Skeleton, a Carbon Framework of Ikarugamycin, from High-Pressure Diels-Alder Adducts of Tropones-Cyclopentenone.
• 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.
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• 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.

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